Commit | Line | Data |
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c906108c | 1 | /* Print values for GDB, the GNU debugger. |
5c1c87f0 | 2 | |
3666a048 | 3 | Copyright (C) 1986-2021 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
c906108c SS |
21 | #include "symtab.h" |
22 | #include "gdbtypes.h" | |
23 | #include "value.h" | |
24 | #include "gdbcore.h" | |
25 | #include "gdbcmd.h" | |
26 | #include "target.h" | |
c906108c | 27 | #include "language.h" |
c906108c SS |
28 | #include "annotate.h" |
29 | #include "valprint.h" | |
f69fdf9b | 30 | #include "target-float.h" |
6dddc817 | 31 | #include "extension.h" |
0c3acc09 | 32 | #include "ada-lang.h" |
3b2b8fea TT |
33 | #include "gdb_obstack.h" |
34 | #include "charset.h" | |
3f2f83dd | 35 | #include "typeprint.h" |
3b2b8fea | 36 | #include <ctype.h> |
325fac50 | 37 | #include <algorithm> |
268a13a5 | 38 | #include "gdbsupport/byte-vector.h" |
7d8062de | 39 | #include "cli/cli-option.h" |
0d12e84c | 40 | #include "gdbarch.h" |
7f6aba03 | 41 | #include "cli/cli-style.h" |
edd45eb0 | 42 | #include "count-one-bits.h" |
6b5a7bc7 TT |
43 | #include "c-lang.h" |
44 | #include "cp-abi.h" | |
c906108c | 45 | |
0d63ecda KS |
46 | /* Maximum number of wchars returned from wchar_iterate. */ |
47 | #define MAX_WCHARS 4 | |
48 | ||
49 | /* A convenience macro to compute the size of a wchar_t buffer containing X | |
50 | characters. */ | |
51 | #define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t)) | |
52 | ||
53 | /* Character buffer size saved while iterating over wchars. */ | |
54 | #define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS) | |
55 | ||
56 | /* A structure to encapsulate state information from iterated | |
57 | character conversions. */ | |
58 | struct converted_character | |
59 | { | |
60 | /* The number of characters converted. */ | |
61 | int num_chars; | |
62 | ||
63 | /* The result of the conversion. See charset.h for more. */ | |
64 | enum wchar_iterate_result result; | |
65 | ||
66 | /* The (saved) converted character(s). */ | |
67 | gdb_wchar_t chars[WCHAR_BUFLEN_MAX]; | |
68 | ||
69 | /* The first converted target byte. */ | |
70 | const gdb_byte *buf; | |
71 | ||
72 | /* The number of bytes converted. */ | |
73 | size_t buflen; | |
74 | ||
75 | /* How many times this character(s) is repeated. */ | |
76 | int repeat_count; | |
77 | }; | |
78 | ||
e7045703 DE |
79 | /* Command lists for set/show print raw. */ |
80 | struct cmd_list_element *setprintrawlist; | |
81 | struct cmd_list_element *showprintrawlist; | |
0d63ecda | 82 | |
c906108c SS |
83 | /* Prototypes for local functions */ |
84 | ||
777ea8f1 | 85 | static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 86 | int len, int *errptr); |
917317f4 | 87 | |
a14ed312 | 88 | static void set_input_radix_1 (int, unsigned); |
c906108c | 89 | |
a14ed312 | 90 | static void set_output_radix_1 (int, unsigned); |
c906108c | 91 | |
81516450 | 92 | static void val_print_type_code_flags (struct type *type, |
65786af6 TT |
93 | struct value *original_value, |
94 | int embedded_offset, | |
81516450 DE |
95 | struct ui_file *stream); |
96 | ||
581e13c1 | 97 | #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */ |
2e62ab40 | 98 | #define PRINT_MAX_DEPTH_DEFAULT 20 /* Start print_max_depth off at this value. */ |
79a45b7d TT |
99 | |
100 | struct value_print_options user_print_options = | |
101 | { | |
2a998fc0 DE |
102 | Val_prettyformat_default, /* prettyformat */ |
103 | 0, /* prettyformat_arrays */ | |
104 | 0, /* prettyformat_structs */ | |
79a45b7d TT |
105 | 0, /* vtblprint */ |
106 | 1, /* unionprint */ | |
107 | 1, /* addressprint */ | |
108 | 0, /* objectprint */ | |
109 | PRINT_MAX_DEFAULT, /* print_max */ | |
110 | 10, /* repeat_count_threshold */ | |
111 | 0, /* output_format */ | |
112 | 0, /* format */ | |
113 | 0, /* stop_print_at_null */ | |
79a45b7d TT |
114 | 0, /* print_array_indexes */ |
115 | 0, /* deref_ref */ | |
116 | 1, /* static_field_print */ | |
a6bac58e TT |
117 | 1, /* pascal_static_field_print */ |
118 | 0, /* raw */ | |
9cb709b6 | 119 | 0, /* summary */ |
2e62ab40 | 120 | 1, /* symbol_print */ |
000439d5 TT |
121 | PRINT_MAX_DEPTH_DEFAULT, /* max_depth */ |
122 | 1 /* finish_print */ | |
79a45b7d TT |
123 | }; |
124 | ||
125 | /* Initialize *OPTS to be a copy of the user print options. */ | |
126 | void | |
127 | get_user_print_options (struct value_print_options *opts) | |
128 | { | |
129 | *opts = user_print_options; | |
130 | } | |
131 | ||
132 | /* Initialize *OPTS to be a copy of the user print options, but with | |
2a998fc0 | 133 | pretty-formatting disabled. */ |
79a45b7d | 134 | void |
2a998fc0 | 135 | get_no_prettyformat_print_options (struct value_print_options *opts) |
79a45b7d TT |
136 | { |
137 | *opts = user_print_options; | |
2a998fc0 | 138 | opts->prettyformat = Val_no_prettyformat; |
79a45b7d TT |
139 | } |
140 | ||
141 | /* Initialize *OPTS to be a copy of the user print options, but using | |
142 | FORMAT as the formatting option. */ | |
143 | void | |
144 | get_formatted_print_options (struct value_print_options *opts, | |
145 | char format) | |
146 | { | |
147 | *opts = user_print_options; | |
148 | opts->format = format; | |
149 | } | |
150 | ||
920d2a44 AC |
151 | static void |
152 | show_print_max (struct ui_file *file, int from_tty, | |
153 | struct cmd_list_element *c, const char *value) | |
154 | { | |
3e43a32a MS |
155 | fprintf_filtered (file, |
156 | _("Limit on string chars or array " | |
157 | "elements to print is %s.\n"), | |
920d2a44 AC |
158 | value); |
159 | } | |
160 | ||
c906108c SS |
161 | |
162 | /* Default input and output radixes, and output format letter. */ | |
163 | ||
164 | unsigned input_radix = 10; | |
920d2a44 AC |
165 | static void |
166 | show_input_radix (struct ui_file *file, int from_tty, | |
167 | struct cmd_list_element *c, const char *value) | |
168 | { | |
3e43a32a MS |
169 | fprintf_filtered (file, |
170 | _("Default input radix for entering numbers is %s.\n"), | |
920d2a44 AC |
171 | value); |
172 | } | |
173 | ||
c906108c | 174 | unsigned output_radix = 10; |
920d2a44 AC |
175 | static void |
176 | show_output_radix (struct ui_file *file, int from_tty, | |
177 | struct cmd_list_element *c, const char *value) | |
178 | { | |
3e43a32a MS |
179 | fprintf_filtered (file, |
180 | _("Default output radix for printing of values is %s.\n"), | |
920d2a44 AC |
181 | value); |
182 | } | |
c906108c | 183 | |
e79af960 JB |
184 | /* By default we print arrays without printing the index of each element in |
185 | the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */ | |
186 | ||
e79af960 JB |
187 | static void |
188 | show_print_array_indexes (struct ui_file *file, int from_tty, | |
dda83cd7 | 189 | struct cmd_list_element *c, const char *value) |
e79af960 JB |
190 | { |
191 | fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value); | |
192 | } | |
193 | ||
c906108c SS |
194 | /* Print repeat counts if there are more than this many repetitions of an |
195 | element in an array. Referenced by the low level language dependent | |
581e13c1 | 196 | print routines. */ |
c906108c | 197 | |
920d2a44 AC |
198 | static void |
199 | show_repeat_count_threshold (struct ui_file *file, int from_tty, | |
200 | struct cmd_list_element *c, const char *value) | |
201 | { | |
202 | fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"), | |
203 | value); | |
204 | } | |
c906108c | 205 | |
581e13c1 | 206 | /* If nonzero, stops printing of char arrays at first null. */ |
c906108c | 207 | |
920d2a44 AC |
208 | static void |
209 | show_stop_print_at_null (struct ui_file *file, int from_tty, | |
210 | struct cmd_list_element *c, const char *value) | |
211 | { | |
3e43a32a MS |
212 | fprintf_filtered (file, |
213 | _("Printing of char arrays to stop " | |
214 | "at first null char is %s.\n"), | |
920d2a44 AC |
215 | value); |
216 | } | |
c906108c | 217 | |
581e13c1 | 218 | /* Controls pretty printing of structures. */ |
c906108c | 219 | |
920d2a44 | 220 | static void |
2a998fc0 | 221 | show_prettyformat_structs (struct ui_file *file, int from_tty, |
920d2a44 AC |
222 | struct cmd_list_element *c, const char *value) |
223 | { | |
2a998fc0 | 224 | fprintf_filtered (file, _("Pretty formatting of structures is %s.\n"), value); |
920d2a44 | 225 | } |
c906108c SS |
226 | |
227 | /* Controls pretty printing of arrays. */ | |
228 | ||
920d2a44 | 229 | static void |
2a998fc0 | 230 | show_prettyformat_arrays (struct ui_file *file, int from_tty, |
920d2a44 AC |
231 | struct cmd_list_element *c, const char *value) |
232 | { | |
2a998fc0 | 233 | fprintf_filtered (file, _("Pretty formatting of arrays is %s.\n"), value); |
920d2a44 | 234 | } |
c906108c SS |
235 | |
236 | /* If nonzero, causes unions inside structures or other unions to be | |
581e13c1 | 237 | printed. */ |
c906108c | 238 | |
920d2a44 AC |
239 | static void |
240 | show_unionprint (struct ui_file *file, int from_tty, | |
241 | struct cmd_list_element *c, const char *value) | |
242 | { | |
3e43a32a MS |
243 | fprintf_filtered (file, |
244 | _("Printing of unions interior to structures is %s.\n"), | |
920d2a44 AC |
245 | value); |
246 | } | |
c906108c | 247 | |
581e13c1 | 248 | /* If nonzero, causes machine addresses to be printed in certain contexts. */ |
c906108c | 249 | |
920d2a44 AC |
250 | static void |
251 | show_addressprint (struct ui_file *file, int from_tty, | |
252 | struct cmd_list_element *c, const char *value) | |
253 | { | |
254 | fprintf_filtered (file, _("Printing of addresses is %s.\n"), value); | |
255 | } | |
9cb709b6 TT |
256 | |
257 | static void | |
258 | show_symbol_print (struct ui_file *file, int from_tty, | |
259 | struct cmd_list_element *c, const char *value) | |
260 | { | |
261 | fprintf_filtered (file, | |
262 | _("Printing of symbols when printing pointers is %s.\n"), | |
263 | value); | |
264 | } | |
265 | ||
c906108c | 266 | \f |
c5aa993b | 267 | |
a6bac58e TT |
268 | /* A helper function for val_print. When printing in "summary" mode, |
269 | we want to print scalar arguments, but not aggregate arguments. | |
270 | This function distinguishes between the two. */ | |
271 | ||
6211c335 YQ |
272 | int |
273 | val_print_scalar_type_p (struct type *type) | |
a6bac58e | 274 | { |
f168693b | 275 | type = check_typedef (type); |
aa006118 | 276 | while (TYPE_IS_REFERENCE (type)) |
a6bac58e TT |
277 | { |
278 | type = TYPE_TARGET_TYPE (type); | |
f168693b | 279 | type = check_typedef (type); |
a6bac58e | 280 | } |
78134374 | 281 | switch (type->code ()) |
a6bac58e TT |
282 | { |
283 | case TYPE_CODE_ARRAY: | |
284 | case TYPE_CODE_STRUCT: | |
285 | case TYPE_CODE_UNION: | |
286 | case TYPE_CODE_SET: | |
287 | case TYPE_CODE_STRING: | |
a6bac58e TT |
288 | return 0; |
289 | default: | |
290 | return 1; | |
291 | } | |
292 | } | |
293 | ||
2e62ab40 AB |
294 | /* A helper function for val_print. When printing with limited depth we |
295 | want to print string and scalar arguments, but not aggregate arguments. | |
296 | This function distinguishes between the two. */ | |
297 | ||
298 | static bool | |
299 | val_print_scalar_or_string_type_p (struct type *type, | |
300 | const struct language_defn *language) | |
301 | { | |
302 | return (val_print_scalar_type_p (type) | |
39e7ecca | 303 | || language->is_string_type_p (type)); |
2e62ab40 AB |
304 | } |
305 | ||
2677f2d3 | 306 | /* See valprint.h. */ |
0e03807e | 307 | |
a72c8f6a | 308 | int |
0e03807e TT |
309 | valprint_check_validity (struct ui_file *stream, |
310 | struct type *type, | |
6b850546 | 311 | LONGEST embedded_offset, |
0e03807e TT |
312 | const struct value *val) |
313 | { | |
f168693b | 314 | type = check_typedef (type); |
0e03807e | 315 | |
3f2f83dd KB |
316 | if (type_not_associated (type)) |
317 | { | |
318 | val_print_not_associated (stream); | |
319 | return 0; | |
320 | } | |
321 | ||
322 | if (type_not_allocated (type)) | |
323 | { | |
324 | val_print_not_allocated (stream); | |
325 | return 0; | |
326 | } | |
327 | ||
78134374 SM |
328 | if (type->code () != TYPE_CODE_UNION |
329 | && type->code () != TYPE_CODE_STRUCT | |
330 | && type->code () != TYPE_CODE_ARRAY) | |
0e03807e | 331 | { |
9a0dc9e3 PA |
332 | if (value_bits_any_optimized_out (val, |
333 | TARGET_CHAR_BIT * embedded_offset, | |
334 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
0e03807e | 335 | { |
901461f8 | 336 | val_print_optimized_out (val, stream); |
0e03807e TT |
337 | return 0; |
338 | } | |
8cf6f0b1 | 339 | |
4e07d55f | 340 | if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset, |
8cf6f0b1 TT |
341 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) |
342 | { | |
78134374 | 343 | const int is_ref = type->code () == TYPE_CODE_REF; |
3326303b MG |
344 | int ref_is_addressable = 0; |
345 | ||
346 | if (is_ref) | |
347 | { | |
348 | const struct value *deref_val = coerce_ref_if_computed (val); | |
349 | ||
350 | if (deref_val != NULL) | |
351 | ref_is_addressable = value_lval_const (deref_val) == lval_memory; | |
352 | } | |
353 | ||
354 | if (!is_ref || !ref_is_addressable) | |
7f6aba03 TT |
355 | fputs_styled (_("<synthetic pointer>"), metadata_style.style (), |
356 | stream); | |
3326303b MG |
357 | |
358 | /* C++ references should be valid even if they're synthetic. */ | |
359 | return is_ref; | |
8cf6f0b1 | 360 | } |
4e07d55f PA |
361 | |
362 | if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) | |
363 | { | |
364 | val_print_unavailable (stream); | |
365 | return 0; | |
366 | } | |
0e03807e TT |
367 | } |
368 | ||
369 | return 1; | |
370 | } | |
371 | ||
585fdaa1 | 372 | void |
901461f8 | 373 | val_print_optimized_out (const struct value *val, struct ui_file *stream) |
585fdaa1 | 374 | { |
901461f8 | 375 | if (val != NULL && value_lval_const (val) == lval_register) |
782d47df | 376 | val_print_not_saved (stream); |
901461f8 | 377 | else |
7f6aba03 | 378 | fprintf_styled (stream, metadata_style.style (), _("<optimized out>")); |
585fdaa1 PA |
379 | } |
380 | ||
782d47df PA |
381 | void |
382 | val_print_not_saved (struct ui_file *stream) | |
383 | { | |
7f6aba03 | 384 | fprintf_styled (stream, metadata_style.style (), _("<not saved>")); |
782d47df PA |
385 | } |
386 | ||
4e07d55f PA |
387 | void |
388 | val_print_unavailable (struct ui_file *stream) | |
389 | { | |
7f6aba03 | 390 | fprintf_styled (stream, metadata_style.style (), _("<unavailable>")); |
4e07d55f PA |
391 | } |
392 | ||
8af8e3bc PA |
393 | void |
394 | val_print_invalid_address (struct ui_file *stream) | |
395 | { | |
7f6aba03 | 396 | fprintf_styled (stream, metadata_style.style (), _("<invalid address>")); |
8af8e3bc PA |
397 | } |
398 | ||
9f436164 SM |
399 | /* Print a pointer based on the type of its target. |
400 | ||
401 | Arguments to this functions are roughly the same as those in | |
402 | generic_val_print. A difference is that ADDRESS is the address to print, | |
403 | with embedded_offset already added. ELTTYPE represents | |
404 | the pointed type after check_typedef. */ | |
405 | ||
406 | static void | |
407 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
408 | CORE_ADDR address, struct ui_file *stream, | |
409 | const struct value_print_options *options) | |
410 | { | |
8ee511af | 411 | struct gdbarch *gdbarch = type->arch (); |
9f436164 | 412 | |
78134374 | 413 | if (elttype->code () == TYPE_CODE_FUNC) |
9f436164 SM |
414 | { |
415 | /* Try to print what function it points to. */ | |
416 | print_function_pointer_address (options, gdbarch, address, stream); | |
417 | return; | |
418 | } | |
419 | ||
420 | if (options->symbol_print) | |
421 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
422 | else if (options->addressprint) | |
423 | fputs_filtered (paddress (gdbarch, address), stream); | |
424 | } | |
425 | ||
557dbe8a SM |
426 | /* generic_val_print helper for TYPE_CODE_ARRAY. */ |
427 | ||
428 | static void | |
426a9c18 | 429 | generic_val_print_array (struct value *val, |
00272ec4 | 430 | struct ui_file *stream, int recurse, |
00272ec4 TT |
431 | const struct value_print_options *options, |
432 | const struct | |
433 | generic_val_print_decorations *decorations) | |
557dbe8a | 434 | { |
426a9c18 | 435 | struct type *type = check_typedef (value_type (val)); |
557dbe8a SM |
436 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); |
437 | struct type *elttype = check_typedef (unresolved_elttype); | |
438 | ||
439 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
440 | { | |
441 | LONGEST low_bound, high_bound; | |
442 | ||
443 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
444 | error (_("Could not determine the array high bound")); | |
445 | ||
00272ec4 | 446 | fputs_filtered (decorations->array_start, stream); |
426a9c18 | 447 | value_print_array_elements (val, stream, recurse, options, 0); |
00272ec4 | 448 | fputs_filtered (decorations->array_end, stream); |
557dbe8a SM |
449 | } |
450 | else | |
451 | { | |
452 | /* Array of unspecified length: treat like pointer to first elt. */ | |
426a9c18 TT |
453 | print_unpacked_pointer (type, elttype, value_address (val), |
454 | stream, options); | |
557dbe8a SM |
455 | } |
456 | ||
457 | } | |
458 | ||
2a5b130b TT |
459 | /* generic_value_print helper for TYPE_CODE_PTR. */ |
460 | ||
461 | static void | |
462 | generic_value_print_ptr (struct value *val, struct ui_file *stream, | |
463 | const struct value_print_options *options) | |
464 | { | |
465 | ||
466 | if (options->format && options->format != 's') | |
467 | value_print_scalar_formatted (val, options, 0, stream); | |
468 | else | |
469 | { | |
470 | struct type *type = check_typedef (value_type (val)); | |
471 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
472 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
473 | CORE_ADDR addr = unpack_pointer (type, valaddr); | |
474 | ||
475 | print_unpacked_pointer (type, elttype, addr, stream, options); | |
476 | } | |
477 | } | |
478 | ||
45000ea2 | 479 | |
3326303b MG |
480 | /* Print '@' followed by the address contained in ADDRESS_BUFFER. */ |
481 | ||
482 | static void | |
483 | print_ref_address (struct type *type, const gdb_byte *address_buffer, | |
484 | int embedded_offset, struct ui_file *stream) | |
485 | { | |
8ee511af | 486 | struct gdbarch *gdbarch = type->arch (); |
3326303b MG |
487 | |
488 | if (address_buffer != NULL) | |
489 | { | |
490 | CORE_ADDR address | |
491 | = extract_typed_address (address_buffer + embedded_offset, type); | |
492 | ||
493 | fprintf_filtered (stream, "@"); | |
494 | fputs_filtered (paddress (gdbarch, address), stream); | |
495 | } | |
496 | /* Else: we have a non-addressable value, such as a DW_AT_const_value. */ | |
497 | } | |
498 | ||
499 | /* If VAL is addressable, return the value contents buffer of a value that | |
500 | represents a pointer to VAL. Otherwise return NULL. */ | |
501 | ||
502 | static const gdb_byte * | |
503 | get_value_addr_contents (struct value *deref_val) | |
504 | { | |
505 | gdb_assert (deref_val != NULL); | |
506 | ||
507 | if (value_lval_const (deref_val) == lval_memory) | |
508 | return value_contents_for_printing_const (value_addr (deref_val)); | |
509 | else | |
510 | { | |
511 | /* We have a non-addressable value, such as a DW_AT_const_value. */ | |
512 | return NULL; | |
513 | } | |
514 | } | |
515 | ||
aa006118 | 516 | /* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF. */ |
fe43fede SM |
517 | |
518 | static void | |
e8b24d9f | 519 | generic_val_print_ref (struct type *type, |
fe43fede | 520 | int embedded_offset, struct ui_file *stream, int recurse, |
e8b24d9f | 521 | struct value *original_value, |
fe43fede SM |
522 | const struct value_print_options *options) |
523 | { | |
fe43fede | 524 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
3326303b MG |
525 | struct value *deref_val = NULL; |
526 | const int value_is_synthetic | |
527 | = value_bits_synthetic_pointer (original_value, | |
528 | TARGET_CHAR_BIT * embedded_offset, | |
529 | TARGET_CHAR_BIT * TYPE_LENGTH (type)); | |
530 | const int must_coerce_ref = ((options->addressprint && value_is_synthetic) | |
531 | || options->deref_ref); | |
78134374 | 532 | const int type_is_defined = elttype->code () != TYPE_CODE_UNDEF; |
e8b24d9f | 533 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
3326303b MG |
534 | |
535 | if (must_coerce_ref && type_is_defined) | |
536 | { | |
537 | deref_val = coerce_ref_if_computed (original_value); | |
538 | ||
539 | if (deref_val != NULL) | |
540 | { | |
541 | /* More complicated computed references are not supported. */ | |
542 | gdb_assert (embedded_offset == 0); | |
543 | } | |
544 | else | |
545 | deref_val = value_at (TYPE_TARGET_TYPE (type), | |
546 | unpack_pointer (type, valaddr + embedded_offset)); | |
547 | } | |
548 | /* Else, original_value isn't a synthetic reference or we don't have to print | |
549 | the reference's contents. | |
550 | ||
551 | Notice that for references to TYPE_CODE_STRUCT, 'set print object on' will | |
552 | cause original_value to be a not_lval instead of an lval_computed, | |
553 | which will make value_bits_synthetic_pointer return false. | |
554 | This happens because if options->objectprint is true, c_value_print will | |
555 | overwrite original_value's contents with the result of coercing | |
556 | the reference through value_addr, and then set its type back to | |
557 | TYPE_CODE_REF. In that case we don't have to coerce the reference again; | |
558 | we can simply treat it as non-synthetic and move on. */ | |
fe43fede SM |
559 | |
560 | if (options->addressprint) | |
561 | { | |
3326303b MG |
562 | const gdb_byte *address = (value_is_synthetic && type_is_defined |
563 | ? get_value_addr_contents (deref_val) | |
564 | : valaddr); | |
565 | ||
566 | print_ref_address (type, address, embedded_offset, stream); | |
fe43fede | 567 | |
fe43fede SM |
568 | if (options->deref_ref) |
569 | fputs_filtered (": ", stream); | |
570 | } | |
3326303b | 571 | |
fe43fede SM |
572 | if (options->deref_ref) |
573 | { | |
3326303b MG |
574 | if (type_is_defined) |
575 | common_val_print (deref_val, stream, recurse, options, | |
576 | current_language); | |
fe43fede SM |
577 | else |
578 | fputs_filtered ("???", stream); | |
579 | } | |
580 | } | |
581 | ||
81516450 DE |
582 | /* Helper function for generic_val_print_enum. |
583 | This is also used to print enums in TYPE_CODE_FLAGS values. */ | |
ef0bc0dd SM |
584 | |
585 | static void | |
81516450 DE |
586 | generic_val_print_enum_1 (struct type *type, LONGEST val, |
587 | struct ui_file *stream) | |
ef0bc0dd SM |
588 | { |
589 | unsigned int i; | |
590 | unsigned int len; | |
ef0bc0dd | 591 | |
1f704f76 | 592 | len = type->num_fields (); |
ef0bc0dd SM |
593 | for (i = 0; i < len; i++) |
594 | { | |
595 | QUIT; | |
596 | if (val == TYPE_FIELD_ENUMVAL (type, i)) | |
597 | { | |
598 | break; | |
599 | } | |
600 | } | |
601 | if (i < len) | |
602 | { | |
3f0cbb04 TT |
603 | fputs_styled (TYPE_FIELD_NAME (type, i), variable_name_style.style (), |
604 | stream); | |
ef0bc0dd SM |
605 | } |
606 | else if (TYPE_FLAG_ENUM (type)) | |
607 | { | |
608 | int first = 1; | |
609 | ||
6740f0cc SM |
610 | /* We have a "flag" enum, so we try to decompose it into pieces as |
611 | appropriate. The enum may have multiple enumerators representing | |
612 | the same bit, in which case we choose to only print the first one | |
613 | we find. */ | |
ef0bc0dd SM |
614 | for (i = 0; i < len; ++i) |
615 | { | |
616 | QUIT; | |
617 | ||
edd45eb0 SM |
618 | ULONGEST enumval = TYPE_FIELD_ENUMVAL (type, i); |
619 | int nbits = count_one_bits_ll (enumval); | |
620 | ||
621 | gdb_assert (nbits == 0 || nbits == 1); | |
622 | ||
623 | if ((val & enumval) != 0) | |
ef0bc0dd | 624 | { |
373d7ac0 SM |
625 | if (first) |
626 | { | |
627 | fputs_filtered ("(", stream); | |
628 | first = 0; | |
629 | } | |
630 | else | |
ef0bc0dd | 631 | fputs_filtered (" | ", stream); |
ef0bc0dd SM |
632 | |
633 | val &= ~TYPE_FIELD_ENUMVAL (type, i); | |
3f0cbb04 TT |
634 | fputs_styled (TYPE_FIELD_NAME (type, i), |
635 | variable_name_style.style (), stream); | |
ef0bc0dd SM |
636 | } |
637 | } | |
638 | ||
373d7ac0 | 639 | if (val != 0) |
ef0bc0dd | 640 | { |
373d7ac0 SM |
641 | /* There are leftover bits, print them. */ |
642 | if (first) | |
643 | fputs_filtered ("(", stream); | |
644 | else | |
ef0bc0dd | 645 | fputs_filtered (" | ", stream); |
373d7ac0 | 646 | |
b29a2df0 SM |
647 | fputs_filtered ("unknown: 0x", stream); |
648 | print_longest (stream, 'x', 0, val); | |
373d7ac0 SM |
649 | fputs_filtered (")", stream); |
650 | } | |
651 | else if (first) | |
652 | { | |
653 | /* Nothing has been printed and the value is 0, the enum value must | |
654 | have been 0. */ | |
655 | fputs_filtered ("0", stream); | |
656 | } | |
657 | else | |
658 | { | |
659 | /* Something has been printed, close the parenthesis. */ | |
660 | fputs_filtered (")", stream); | |
ef0bc0dd | 661 | } |
ef0bc0dd SM |
662 | } |
663 | else | |
664 | print_longest (stream, 'd', 0, val); | |
665 | } | |
666 | ||
81516450 DE |
667 | /* generic_val_print helper for TYPE_CODE_ENUM. */ |
668 | ||
669 | static void | |
e8b24d9f | 670 | generic_val_print_enum (struct type *type, |
81516450 | 671 | int embedded_offset, struct ui_file *stream, |
e8b24d9f | 672 | struct value *original_value, |
81516450 DE |
673 | const struct value_print_options *options) |
674 | { | |
675 | LONGEST val; | |
8ee511af | 676 | struct gdbarch *gdbarch = type->arch (); |
81516450 DE |
677 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); |
678 | ||
40f3ce18 | 679 | gdb_assert (!options->format); |
e8b24d9f | 680 | |
40f3ce18 | 681 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
81516450 | 682 | |
40f3ce18 TT |
683 | val = unpack_long (type, valaddr + embedded_offset * unit_size); |
684 | ||
685 | generic_val_print_enum_1 (type, val, stream); | |
81516450 DE |
686 | } |
687 | ||
4a8c372f SM |
688 | /* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
689 | ||
690 | static void | |
e8b24d9f | 691 | generic_val_print_func (struct type *type, |
4a8c372f SM |
692 | int embedded_offset, CORE_ADDR address, |
693 | struct ui_file *stream, | |
e8b24d9f | 694 | struct value *original_value, |
4a8c372f SM |
695 | const struct value_print_options *options) |
696 | { | |
8ee511af | 697 | struct gdbarch *gdbarch = type->arch (); |
4a8c372f | 698 | |
4112d2e6 TT |
699 | gdb_assert (!options->format); |
700 | ||
701 | /* FIXME, we should consider, at least for ANSI C language, | |
702 | eliminating the distinction made between FUNCs and POINTERs to | |
703 | FUNCs. */ | |
704 | fprintf_filtered (stream, "{"); | |
705 | type_print (type, "", stream, -1); | |
706 | fprintf_filtered (stream, "} "); | |
707 | /* Try to print what function it points to, and its address. */ | |
708 | print_address_demangle (options, gdbarch, address, stream, demangle); | |
4a8c372f SM |
709 | } |
710 | ||
6dde7521 TT |
711 | /* generic_value_print helper for TYPE_CODE_BOOL. */ |
712 | ||
713 | static void | |
714 | generic_value_print_bool | |
715 | (struct value *value, struct ui_file *stream, | |
716 | const struct value_print_options *options, | |
717 | const struct generic_val_print_decorations *decorations) | |
718 | { | |
719 | if (options->format || options->output_format) | |
720 | { | |
721 | struct value_print_options opts = *options; | |
722 | opts.format = (options->format ? options->format | |
723 | : options->output_format); | |
724 | value_print_scalar_formatted (value, &opts, 0, stream); | |
725 | } | |
726 | else | |
727 | { | |
728 | const gdb_byte *valaddr = value_contents_for_printing (value); | |
729 | struct type *type = check_typedef (value_type (value)); | |
730 | LONGEST val = unpack_long (type, valaddr); | |
731 | if (val == 0) | |
732 | fputs_filtered (decorations->false_name, stream); | |
733 | else if (val == 1) | |
734 | fputs_filtered (decorations->true_name, stream); | |
735 | else | |
736 | print_longest (stream, 'd', 0, val); | |
737 | } | |
738 | } | |
739 | ||
fdddfccb TT |
740 | /* generic_value_print helper for TYPE_CODE_INT. */ |
741 | ||
742 | static void | |
743 | generic_value_print_int (struct value *val, struct ui_file *stream, | |
744 | const struct value_print_options *options) | |
745 | { | |
746 | struct value_print_options opts = *options; | |
747 | ||
748 | opts.format = (options->format ? options->format | |
749 | : options->output_format); | |
750 | value_print_scalar_formatted (val, &opts, 0, stream); | |
751 | } | |
752 | ||
3eec3b05 TT |
753 | /* generic_value_print helper for TYPE_CODE_CHAR. */ |
754 | ||
755 | static void | |
756 | generic_value_print_char (struct value *value, struct ui_file *stream, | |
757 | const struct value_print_options *options) | |
758 | { | |
759 | if (options->format || options->output_format) | |
760 | { | |
761 | struct value_print_options opts = *options; | |
762 | ||
763 | opts.format = (options->format ? options->format | |
764 | : options->output_format); | |
765 | value_print_scalar_formatted (value, &opts, 0, stream); | |
766 | } | |
767 | else | |
768 | { | |
769 | struct type *unresolved_type = value_type (value); | |
770 | struct type *type = check_typedef (unresolved_type); | |
771 | const gdb_byte *valaddr = value_contents_for_printing (value); | |
772 | ||
773 | LONGEST val = unpack_long (type, valaddr); | |
c6d940a9 | 774 | if (type->is_unsigned ()) |
3eec3b05 TT |
775 | fprintf_filtered (stream, "%u", (unsigned int) val); |
776 | else | |
777 | fprintf_filtered (stream, "%d", (int) val); | |
778 | fputs_filtered (" ", stream); | |
779 | LA_PRINT_CHAR (val, unresolved_type, stream); | |
780 | } | |
781 | } | |
782 | ||
fdf0cbc2 | 783 | /* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */ |
7784724b SM |
784 | |
785 | static void | |
82836c92 | 786 | generic_val_print_float (struct type *type, struct ui_file *stream, |
e8b24d9f | 787 | struct value *original_value, |
7784724b SM |
788 | const struct value_print_options *options) |
789 | { | |
f5354008 | 790 | gdb_assert (!options->format); |
e8b24d9f | 791 | |
f5354008 TT |
792 | const gdb_byte *valaddr = value_contents_for_printing (original_value); |
793 | ||
82836c92 | 794 | print_floating (valaddr, type, stream); |
7784724b SM |
795 | } |
796 | ||
09584414 JB |
797 | /* generic_val_print helper for TYPE_CODE_FIXED_POINT. */ |
798 | ||
799 | static void | |
800 | generic_val_print_fixed_point (struct value *val, struct ui_file *stream, | |
801 | const struct value_print_options *options) | |
802 | { | |
803 | if (options->format) | |
804 | value_print_scalar_formatted (val, options, 0, stream); | |
805 | else | |
806 | { | |
807 | struct type *type = value_type (val); | |
808 | ||
809 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
810 | gdb_mpf f; | |
811 | ||
c9f0b43f | 812 | f.read_fixed_point (gdb::make_array_view (valaddr, TYPE_LENGTH (type)), |
09584414 | 813 | type_byte_order (type), type->is_unsigned (), |
e6fcee3a | 814 | type->fixed_point_scaling_factor ()); |
09584414 JB |
815 | |
816 | const char *fmt = TYPE_LENGTH (type) < 4 ? "%.11Fg" : "%.17Fg"; | |
987b6703 JB |
817 | std::string str = gmp_string_printf (fmt, f.val); |
818 | fprintf_filtered (stream, "%s", str.c_str ()); | |
09584414 JB |
819 | } |
820 | } | |
821 | ||
4f412b6e TT |
822 | /* generic_value_print helper for TYPE_CODE_COMPLEX. */ |
823 | ||
824 | static void | |
825 | generic_value_print_complex (struct value *val, struct ui_file *stream, | |
826 | const struct value_print_options *options, | |
827 | const struct generic_val_print_decorations | |
828 | *decorations) | |
829 | { | |
830 | fprintf_filtered (stream, "%s", decorations->complex_prefix); | |
831 | ||
4c99290d | 832 | struct value *real_part = value_real_part (val); |
4f412b6e TT |
833 | value_print_scalar_formatted (real_part, options, 0, stream); |
834 | fprintf_filtered (stream, "%s", decorations->complex_infix); | |
835 | ||
4c99290d | 836 | struct value *imag_part = value_imaginary_part (val); |
4f412b6e TT |
837 | value_print_scalar_formatted (imag_part, options, 0, stream); |
838 | fprintf_filtered (stream, "%s", decorations->complex_suffix); | |
839 | } | |
840 | ||
6b5a7bc7 TT |
841 | /* generic_value_print helper for TYPE_CODE_MEMBERPTR. */ |
842 | ||
843 | static void | |
844 | generic_value_print_memberptr | |
845 | (struct value *val, struct ui_file *stream, | |
846 | int recurse, | |
847 | const struct value_print_options *options, | |
848 | const struct generic_val_print_decorations *decorations) | |
849 | { | |
850 | if (!options->format) | |
851 | { | |
852 | /* Member pointers are essentially specific to C++, and so if we | |
853 | encounter one, we should print it according to C++ rules. */ | |
854 | struct type *type = check_typedef (value_type (val)); | |
855 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
856 | cp_print_class_member (valaddr, type, stream, "&"); | |
857 | } | |
858 | else | |
859 | generic_value_print (val, stream, recurse, options, decorations); | |
860 | } | |
861 | ||
156bfec9 TT |
862 | /* See valprint.h. */ |
863 | ||
864 | void | |
865 | generic_value_print (struct value *val, struct ui_file *stream, int recurse, | |
866 | const struct value_print_options *options, | |
867 | const struct generic_val_print_decorations *decorations) | |
868 | { | |
abc66ce9 | 869 | struct type *type = value_type (val); |
abc66ce9 TT |
870 | |
871 | type = check_typedef (type); | |
09584414 JB |
872 | |
873 | if (is_fixed_point_type (type)) | |
d19937a7 | 874 | type = type->fixed_point_type_base_type (); |
09584414 | 875 | |
78134374 | 876 | switch (type->code ()) |
abc66ce9 TT |
877 | { |
878 | case TYPE_CODE_ARRAY: | |
426a9c18 | 879 | generic_val_print_array (val, stream, recurse, options, decorations); |
abc66ce9 TT |
880 | break; |
881 | ||
882 | case TYPE_CODE_MEMBERPTR: | |
6b5a7bc7 TT |
883 | generic_value_print_memberptr (val, stream, recurse, options, |
884 | decorations); | |
abc66ce9 TT |
885 | break; |
886 | ||
887 | case TYPE_CODE_PTR: | |
2a5b130b | 888 | generic_value_print_ptr (val, stream, options); |
abc66ce9 TT |
889 | break; |
890 | ||
891 | case TYPE_CODE_REF: | |
892 | case TYPE_CODE_RVALUE_REF: | |
893 | generic_val_print_ref (type, 0, stream, recurse, | |
894 | val, options); | |
895 | break; | |
896 | ||
897 | case TYPE_CODE_ENUM: | |
40f3ce18 TT |
898 | if (options->format) |
899 | value_print_scalar_formatted (val, options, 0, stream); | |
900 | else | |
901 | generic_val_print_enum (type, 0, stream, val, options); | |
abc66ce9 TT |
902 | break; |
903 | ||
904 | case TYPE_CODE_FLAGS: | |
65786af6 TT |
905 | if (options->format) |
906 | value_print_scalar_formatted (val, options, 0, stream); | |
907 | else | |
908 | val_print_type_code_flags (type, val, 0, stream); | |
abc66ce9 TT |
909 | break; |
910 | ||
911 | case TYPE_CODE_FUNC: | |
912 | case TYPE_CODE_METHOD: | |
4112d2e6 TT |
913 | if (options->format) |
914 | value_print_scalar_formatted (val, options, 0, stream); | |
915 | else | |
916 | generic_val_print_func (type, 0, value_address (val), stream, | |
917 | val, options); | |
abc66ce9 TT |
918 | break; |
919 | ||
920 | case TYPE_CODE_BOOL: | |
6dde7521 | 921 | generic_value_print_bool (val, stream, options, decorations); |
abc66ce9 TT |
922 | break; |
923 | ||
924 | case TYPE_CODE_RANGE: | |
abc66ce9 | 925 | case TYPE_CODE_INT: |
fdddfccb | 926 | generic_value_print_int (val, stream, options); |
abc66ce9 TT |
927 | break; |
928 | ||
929 | case TYPE_CODE_CHAR: | |
3eec3b05 | 930 | generic_value_print_char (val, stream, options); |
abc66ce9 TT |
931 | break; |
932 | ||
933 | case TYPE_CODE_FLT: | |
934 | case TYPE_CODE_DECFLOAT: | |
f5354008 TT |
935 | if (options->format) |
936 | value_print_scalar_formatted (val, options, 0, stream); | |
937 | else | |
82836c92 | 938 | generic_val_print_float (type, stream, val, options); |
abc66ce9 TT |
939 | break; |
940 | ||
09584414 JB |
941 | case TYPE_CODE_FIXED_POINT: |
942 | generic_val_print_fixed_point (val, stream, options); | |
943 | break; | |
944 | ||
abc66ce9 TT |
945 | case TYPE_CODE_VOID: |
946 | fputs_filtered (decorations->void_name, stream); | |
947 | break; | |
948 | ||
949 | case TYPE_CODE_ERROR: | |
950 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); | |
951 | break; | |
952 | ||
953 | case TYPE_CODE_UNDEF: | |
954 | /* This happens (without TYPE_STUB set) on systems which don't use | |
dda83cd7 SM |
955 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
956 | and no complete type for struct foo in that file. */ | |
abc66ce9 TT |
957 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
958 | break; | |
959 | ||
960 | case TYPE_CODE_COMPLEX: | |
4f412b6e | 961 | generic_value_print_complex (val, stream, options, decorations); |
abc66ce9 TT |
962 | break; |
963 | ||
6b5a7bc7 TT |
964 | case TYPE_CODE_METHODPTR: |
965 | cplus_print_method_ptr (value_contents_for_printing (val), type, | |
966 | stream); | |
967 | break; | |
968 | ||
abc66ce9 TT |
969 | case TYPE_CODE_UNION: |
970 | case TYPE_CODE_STRUCT: | |
abc66ce9 TT |
971 | default: |
972 | error (_("Unhandled type code %d in symbol table."), | |
78134374 | 973 | type->code ()); |
abc66ce9 | 974 | } |
156bfec9 TT |
975 | } |
976 | ||
b0c26e99 TT |
977 | /* Helper function for val_print and common_val_print that does the |
978 | work. Arguments are as to val_print, but FULL_VALUE, if given, is | |
979 | the value to be printed. */ | |
32b72a42 | 980 | |
b0c26e99 | 981 | static void |
426a9c18 | 982 | do_val_print (struct value *value, struct ui_file *stream, int recurse, |
b0c26e99 TT |
983 | const struct value_print_options *options, |
984 | const struct language_defn *language) | |
c906108c | 985 | { |
19ca80ba | 986 | int ret = 0; |
79a45b7d | 987 | struct value_print_options local_opts = *options; |
426a9c18 | 988 | struct type *type = value_type (value); |
c906108c | 989 | struct type *real_type = check_typedef (type); |
79a45b7d | 990 | |
2a998fc0 DE |
991 | if (local_opts.prettyformat == Val_prettyformat_default) |
992 | local_opts.prettyformat = (local_opts.prettyformat_structs | |
993 | ? Val_prettyformat : Val_no_prettyformat); | |
c5aa993b | 994 | |
c906108c SS |
995 | QUIT; |
996 | ||
997 | /* Ensure that the type is complete and not just a stub. If the type is | |
998 | only a stub and we can't find and substitute its complete type, then | |
999 | print appropriate string and return. */ | |
1000 | ||
e46d3488 | 1001 | if (real_type->is_stub ()) |
c906108c | 1002 | { |
7f6aba03 | 1003 | fprintf_styled (stream, metadata_style.style (), _("<incomplete type>")); |
35c0084b | 1004 | return; |
c906108c | 1005 | } |
c5aa993b | 1006 | |
426a9c18 | 1007 | if (!valprint_check_validity (stream, real_type, 0, value)) |
35c0084b | 1008 | return; |
0e03807e | 1009 | |
a6bac58e TT |
1010 | if (!options->raw) |
1011 | { | |
426a9c18 | 1012 | ret = apply_ext_lang_val_pretty_printer (value, stream, recurse, options, |
42331a1e | 1013 | language); |
a6bac58e | 1014 | if (ret) |
35c0084b | 1015 | return; |
a6bac58e TT |
1016 | } |
1017 | ||
1018 | /* Handle summary mode. If the value is a scalar, print it; | |
1019 | otherwise, print an ellipsis. */ | |
6211c335 | 1020 | if (options->summary && !val_print_scalar_type_p (type)) |
a6bac58e TT |
1021 | { |
1022 | fprintf_filtered (stream, "..."); | |
35c0084b | 1023 | return; |
a6bac58e TT |
1024 | } |
1025 | ||
2e62ab40 AB |
1026 | /* If this value is too deep then don't print it. */ |
1027 | if (!val_print_scalar_or_string_type_p (type, language) | |
1028 | && val_print_check_max_depth (stream, recurse, options, language)) | |
1029 | return; | |
1030 | ||
a70b8144 | 1031 | try |
19ca80ba | 1032 | { |
ebe2334e | 1033 | language->value_print_inner (value, stream, recurse, &local_opts); |
19ca80ba | 1034 | } |
230d2906 | 1035 | catch (const gdb_exception_error &except) |
492d29ea | 1036 | { |
7f6aba03 TT |
1037 | fprintf_styled (stream, metadata_style.style (), |
1038 | _("<error reading variable>")); | |
492d29ea | 1039 | } |
c906108c SS |
1040 | } |
1041 | ||
2e62ab40 AB |
1042 | /* See valprint.h. */ |
1043 | ||
1044 | bool | |
1045 | val_print_check_max_depth (struct ui_file *stream, int recurse, | |
1046 | const struct value_print_options *options, | |
1047 | const struct language_defn *language) | |
1048 | { | |
1049 | if (options->max_depth > -1 && recurse >= options->max_depth) | |
1050 | { | |
22e3f3ed AB |
1051 | gdb_assert (language->struct_too_deep_ellipsis () != NULL); |
1052 | fputs_filtered (language->struct_too_deep_ellipsis (), stream); | |
2e62ab40 AB |
1053 | return true; |
1054 | } | |
1055 | ||
1056 | return false; | |
1057 | } | |
1058 | ||
806048c6 | 1059 | /* Check whether the value VAL is printable. Return 1 if it is; |
6501578c YQ |
1060 | return 0 and print an appropriate error message to STREAM according to |
1061 | OPTIONS if it is not. */ | |
c906108c | 1062 | |
806048c6 | 1063 | static int |
6501578c YQ |
1064 | value_check_printable (struct value *val, struct ui_file *stream, |
1065 | const struct value_print_options *options) | |
c906108c SS |
1066 | { |
1067 | if (val == 0) | |
1068 | { | |
7f6aba03 TT |
1069 | fprintf_styled (stream, metadata_style.style (), |
1070 | _("<address of value unknown>")); | |
c906108c SS |
1071 | return 0; |
1072 | } | |
806048c6 | 1073 | |
0e03807e | 1074 | if (value_entirely_optimized_out (val)) |
c906108c | 1075 | { |
6211c335 | 1076 | if (options->summary && !val_print_scalar_type_p (value_type (val))) |
6501578c YQ |
1077 | fprintf_filtered (stream, "..."); |
1078 | else | |
901461f8 | 1079 | val_print_optimized_out (val, stream); |
c906108c SS |
1080 | return 0; |
1081 | } | |
806048c6 | 1082 | |
eebc056c AB |
1083 | if (value_entirely_unavailable (val)) |
1084 | { | |
1085 | if (options->summary && !val_print_scalar_type_p (value_type (val))) | |
1086 | fprintf_filtered (stream, "..."); | |
1087 | else | |
1088 | val_print_unavailable (stream); | |
1089 | return 0; | |
1090 | } | |
1091 | ||
78134374 | 1092 | if (value_type (val)->code () == TYPE_CODE_INTERNAL_FUNCTION) |
bc3b79fd | 1093 | { |
7f6aba03 TT |
1094 | fprintf_styled (stream, metadata_style.style (), |
1095 | _("<internal function %s>"), | |
1096 | value_internal_function_name (val)); | |
bc3b79fd TJB |
1097 | return 0; |
1098 | } | |
1099 | ||
3f2f83dd KB |
1100 | if (type_not_associated (value_type (val))) |
1101 | { | |
1102 | val_print_not_associated (stream); | |
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | if (type_not_allocated (value_type (val))) | |
1107 | { | |
1108 | val_print_not_allocated (stream); | |
1109 | return 0; | |
1110 | } | |
1111 | ||
806048c6 DJ |
1112 | return 1; |
1113 | } | |
1114 | ||
d8ca156b | 1115 | /* Print using the given LANGUAGE the value VAL onto stream STREAM according |
79a45b7d | 1116 | to OPTIONS. |
806048c6 | 1117 | |
806048c6 DJ |
1118 | This is a preferable interface to val_print, above, because it uses |
1119 | GDB's value mechanism. */ | |
1120 | ||
a1f5dd1b | 1121 | void |
79a45b7d TT |
1122 | common_val_print (struct value *val, struct ui_file *stream, int recurse, |
1123 | const struct value_print_options *options, | |
d8ca156b | 1124 | const struct language_defn *language) |
806048c6 | 1125 | { |
0c3acc09 JB |
1126 | if (language->la_language == language_ada) |
1127 | /* The value might have a dynamic type, which would cause trouble | |
1128 | below when trying to extract the value contents (since the value | |
1129 | size is determined from the type size which is unknown). So | |
1130 | get a fixed representation of our value. */ | |
1131 | val = ada_to_fixed_value (val); | |
1132 | ||
7d45f3df YQ |
1133 | if (value_lazy (val)) |
1134 | value_fetch_lazy (val); | |
1135 | ||
426a9c18 | 1136 | do_val_print (val, stream, recurse, options, language); |
806048c6 DJ |
1137 | } |
1138 | ||
c2a44efe TT |
1139 | /* See valprint.h. */ |
1140 | ||
1141 | void | |
1142 | common_val_print_checked (struct value *val, struct ui_file *stream, | |
1143 | int recurse, | |
1144 | const struct value_print_options *options, | |
1145 | const struct language_defn *language) | |
1146 | { | |
1147 | if (!value_check_printable (val, stream, options)) | |
1148 | return; | |
1149 | common_val_print (val, stream, recurse, options, language); | |
1150 | } | |
1151 | ||
7348c5e1 | 1152 | /* Print on stream STREAM the value VAL according to OPTIONS. The value |
8e069a98 | 1153 | is printed using the current_language syntax. */ |
7348c5e1 | 1154 | |
8e069a98 | 1155 | void |
79a45b7d TT |
1156 | value_print (struct value *val, struct ui_file *stream, |
1157 | const struct value_print_options *options) | |
806048c6 | 1158 | { |
ce3acbe9 TT |
1159 | scoped_value_mark free_values; |
1160 | ||
6501578c | 1161 | if (!value_check_printable (val, stream, options)) |
8e069a98 | 1162 | return; |
806048c6 | 1163 | |
a6bac58e TT |
1164 | if (!options->raw) |
1165 | { | |
6dddc817 | 1166 | int r |
42331a1e TT |
1167 | = apply_ext_lang_val_pretty_printer (val, stream, 0, options, |
1168 | current_language); | |
a109c7c1 | 1169 | |
a6bac58e | 1170 | if (r) |
8e069a98 | 1171 | return; |
a6bac58e TT |
1172 | } |
1173 | ||
00c696a6 | 1174 | current_language->value_print (val, stream, options); |
c906108c SS |
1175 | } |
1176 | ||
81516450 | 1177 | static void |
65786af6 TT |
1178 | val_print_type_code_flags (struct type *type, struct value *original_value, |
1179 | int embedded_offset, struct ui_file *stream) | |
4f2aea11 | 1180 | { |
65786af6 TT |
1181 | const gdb_byte *valaddr = (value_contents_for_printing (original_value) |
1182 | + embedded_offset); | |
befae759 | 1183 | ULONGEST val = unpack_long (type, valaddr); |
1f704f76 | 1184 | int field, nfields = type->num_fields (); |
8ee511af | 1185 | struct gdbarch *gdbarch = type->arch (); |
81516450 | 1186 | struct type *bool_type = builtin_type (gdbarch)->builtin_bool; |
4f2aea11 | 1187 | |
81516450 DE |
1188 | fputs_filtered ("[", stream); |
1189 | for (field = 0; field < nfields; field++) | |
4f2aea11 | 1190 | { |
81516450 | 1191 | if (TYPE_FIELD_NAME (type, field)[0] != '\0') |
4f2aea11 | 1192 | { |
940da03e | 1193 | struct type *field_type = type->field (field).type (); |
81516450 DE |
1194 | |
1195 | if (field_type == bool_type | |
1196 | /* We require boolean types here to be one bit wide. This is a | |
1197 | problematic place to notify the user of an internal error | |
1198 | though. Instead just fall through and print the field as an | |
1199 | int. */ | |
1200 | && TYPE_FIELD_BITSIZE (type, field) == 1) | |
1201 | { | |
1202 | if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field))) | |
3f0cbb04 TT |
1203 | fprintf_filtered |
1204 | (stream, " %ps", | |
1205 | styled_string (variable_name_style.style (), | |
1206 | TYPE_FIELD_NAME (type, field))); | |
81516450 | 1207 | } |
4f2aea11 | 1208 | else |
81516450 DE |
1209 | { |
1210 | unsigned field_len = TYPE_FIELD_BITSIZE (type, field); | |
1211 | ULONGEST field_val | |
1212 | = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1); | |
1213 | ||
1214 | if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT) | |
1215 | field_val &= ((ULONGEST) 1 << field_len) - 1; | |
3f0cbb04 TT |
1216 | fprintf_filtered (stream, " %ps=", |
1217 | styled_string (variable_name_style.style (), | |
1218 | TYPE_FIELD_NAME (type, field))); | |
78134374 | 1219 | if (field_type->code () == TYPE_CODE_ENUM) |
81516450 DE |
1220 | generic_val_print_enum_1 (field_type, field_val, stream); |
1221 | else | |
1222 | print_longest (stream, 'd', 0, field_val); | |
1223 | } | |
4f2aea11 MK |
1224 | } |
1225 | } | |
81516450 | 1226 | fputs_filtered (" ]", stream); |
19c37f24 | 1227 | } |
ab2188aa | 1228 | |
4f9ae810 TT |
1229 | /* See valprint.h. */ |
1230 | ||
1231 | void | |
1232 | value_print_scalar_formatted (struct value *val, | |
1233 | const struct value_print_options *options, | |
1234 | int size, | |
1235 | struct ui_file *stream) | |
1236 | { | |
1237 | struct type *type = check_typedef (value_type (val)); | |
1238 | ||
1239 | gdb_assert (val != NULL); | |
1240 | ||
1241 | /* If we get here with a string format, try again without it. Go | |
1242 | all the way back to the language printers, which may call us | |
1243 | again. */ | |
1244 | if (options->format == 's') | |
1245 | { | |
1246 | struct value_print_options opts = *options; | |
1247 | opts.format = 0; | |
1248 | opts.deref_ref = 0; | |
1249 | common_val_print (val, stream, 0, &opts, current_language); | |
1250 | return; | |
1251 | } | |
1252 | ||
1253 | /* value_contents_for_printing fetches all VAL's contents. They are | |
1254 | needed to check whether VAL is optimized-out or unavailable | |
1255 | below. */ | |
1256 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1257 | ||
1258 | /* A scalar object that does not have all bits available can't be | |
1259 | printed, because all bits contribute to its representation. */ | |
1260 | if (value_bits_any_optimized_out (val, 0, | |
1261 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
1262 | val_print_optimized_out (val, stream); | |
1263 | else if (!value_bytes_available (val, 0, TYPE_LENGTH (type))) | |
1264 | val_print_unavailable (stream); | |
1265 | else | |
1266 | print_scalar_formatted (valaddr, type, options, size, stream); | |
1267 | } | |
1268 | ||
c906108c SS |
1269 | /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g. |
1270 | The raison d'etre of this function is to consolidate printing of | |
581e13c1 | 1271 | LONG_LONG's into this one function. The format chars b,h,w,g are |
bb599908 | 1272 | from print_scalar_formatted(). Numbers are printed using C |
581e13c1 | 1273 | format. |
bb599908 PH |
1274 | |
1275 | USE_C_FORMAT means to use C format in all cases. Without it, | |
1276 | 'o' and 'x' format do not include the standard C radix prefix | |
1277 | (leading 0 or 0x). | |
1278 | ||
1279 | Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL | |
85102364 | 1280 | and was intended to request formatting according to the current |
bb599908 PH |
1281 | language and would be used for most integers that GDB prints. The |
1282 | exceptional cases were things like protocols where the format of | |
1283 | the integer is a protocol thing, not a user-visible thing). The | |
1284 | parameter remains to preserve the information of what things might | |
1285 | be printed with language-specific format, should we ever resurrect | |
581e13c1 | 1286 | that capability. */ |
c906108c SS |
1287 | |
1288 | void | |
bb599908 | 1289 | print_longest (struct ui_file *stream, int format, int use_c_format, |
fba45db2 | 1290 | LONGEST val_long) |
c906108c | 1291 | { |
2bfb72ee AC |
1292 | const char *val; |
1293 | ||
c906108c SS |
1294 | switch (format) |
1295 | { | |
1296 | case 'd': | |
bb599908 | 1297 | val = int_string (val_long, 10, 1, 0, 1); break; |
c906108c | 1298 | case 'u': |
bb599908 | 1299 | val = int_string (val_long, 10, 0, 0, 1); break; |
c906108c | 1300 | case 'x': |
bb599908 | 1301 | val = int_string (val_long, 16, 0, 0, use_c_format); break; |
c906108c | 1302 | case 'b': |
bb599908 | 1303 | val = int_string (val_long, 16, 0, 2, 1); break; |
c906108c | 1304 | case 'h': |
bb599908 | 1305 | val = int_string (val_long, 16, 0, 4, 1); break; |
c906108c | 1306 | case 'w': |
bb599908 | 1307 | val = int_string (val_long, 16, 0, 8, 1); break; |
c906108c | 1308 | case 'g': |
bb599908 | 1309 | val = int_string (val_long, 16, 0, 16, 1); break; |
c906108c SS |
1310 | break; |
1311 | case 'o': | |
bb599908 | 1312 | val = int_string (val_long, 8, 0, 0, use_c_format); break; |
c906108c | 1313 | default: |
3e43a32a MS |
1314 | internal_error (__FILE__, __LINE__, |
1315 | _("failed internal consistency check")); | |
bb599908 | 1316 | } |
2bfb72ee | 1317 | fputs_filtered (val, stream); |
c906108c SS |
1318 | } |
1319 | ||
c906108c SS |
1320 | /* This used to be a macro, but I don't think it is called often enough |
1321 | to merit such treatment. */ | |
1322 | /* Convert a LONGEST to an int. This is used in contexts (e.g. number of | |
1323 | arguments to a function, number in a value history, register number, etc.) | |
1324 | where the value must not be larger than can fit in an int. */ | |
1325 | ||
1326 | int | |
fba45db2 | 1327 | longest_to_int (LONGEST arg) |
c906108c | 1328 | { |
581e13c1 | 1329 | /* Let the compiler do the work. */ |
c906108c SS |
1330 | int rtnval = (int) arg; |
1331 | ||
581e13c1 | 1332 | /* Check for overflows or underflows. */ |
c906108c SS |
1333 | if (sizeof (LONGEST) > sizeof (int)) |
1334 | { | |
1335 | if (rtnval != arg) | |
1336 | { | |
8a3fe4f8 | 1337 | error (_("Value out of range.")); |
c906108c SS |
1338 | } |
1339 | } | |
1340 | return (rtnval); | |
1341 | } | |
1342 | ||
fdf0cbc2 UW |
1343 | /* Print a floating point value of floating-point type TYPE, |
1344 | pointed to in GDB by VALADDR, on STREAM. */ | |
c906108c SS |
1345 | |
1346 | void | |
fc1a4b47 | 1347 | print_floating (const gdb_byte *valaddr, struct type *type, |
c84141d6 | 1348 | struct ui_file *stream) |
c906108c | 1349 | { |
f69fdf9b | 1350 | std::string str = target_float_to_string (valaddr, type); |
3b4b2f16 | 1351 | fputs_filtered (str.c_str (), stream); |
7678ef8f TJB |
1352 | } |
1353 | ||
c5aa993b | 1354 | void |
fc1a4b47 | 1355 | print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 | 1356 | unsigned len, enum bfd_endian byte_order, bool zero_pad) |
c906108c | 1357 | { |
fc1a4b47 | 1358 | const gdb_byte *p; |
745b8ca0 | 1359 | unsigned int i; |
c5aa993b | 1360 | int b; |
30a25466 | 1361 | bool seen_a_one = false; |
c906108c SS |
1362 | |
1363 | /* Declared "int" so it will be signed. | |
581e13c1 MS |
1364 | This ensures that right shift will shift in zeros. */ |
1365 | ||
c5aa993b | 1366 | const int mask = 0x080; |
c906108c | 1367 | |
d44e8473 | 1368 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1369 | { |
1370 | for (p = valaddr; | |
1371 | p < valaddr + len; | |
1372 | p++) | |
1373 | { | |
c5aa993b | 1374 | /* Every byte has 8 binary characters; peel off |
581e13c1 MS |
1375 | and print from the MSB end. */ |
1376 | ||
d3abe1c8 | 1377 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1378 | { |
1379 | if (*p & (mask >> i)) | |
30a25466 | 1380 | b = '1'; |
c5aa993b | 1381 | else |
30a25466 | 1382 | b = '0'; |
c5aa993b | 1383 | |
30a25466 TT |
1384 | if (zero_pad || seen_a_one || b == '1') |
1385 | fputc_filtered (b, stream); | |
1386 | if (b == '1') | |
1387 | seen_a_one = true; | |
c5aa993b | 1388 | } |
c906108c SS |
1389 | } |
1390 | } | |
1391 | else | |
1392 | { | |
1393 | for (p = valaddr + len - 1; | |
1394 | p >= valaddr; | |
1395 | p--) | |
1396 | { | |
d3abe1c8 | 1397 | for (i = 0; i < (HOST_CHAR_BIT * sizeof (*p)); i++) |
c5aa993b JM |
1398 | { |
1399 | if (*p & (mask >> i)) | |
30a25466 | 1400 | b = '1'; |
c5aa993b | 1401 | else |
30a25466 | 1402 | b = '0'; |
c5aa993b | 1403 | |
30a25466 TT |
1404 | if (zero_pad || seen_a_one || b == '1') |
1405 | fputc_filtered (b, stream); | |
1406 | if (b == '1') | |
1407 | seen_a_one = true; | |
c5aa993b | 1408 | } |
c906108c SS |
1409 | } |
1410 | } | |
30a25466 TT |
1411 | |
1412 | /* When not zero-padding, ensure that something is printed when the | |
1413 | input is 0. */ | |
1414 | if (!zero_pad && !seen_a_one) | |
1415 | fputc_filtered ('0', stream); | |
1416 | } | |
1417 | ||
1418 | /* A helper for print_octal_chars that emits a single octal digit, | |
1419 | optionally suppressing it if is zero and updating SEEN_A_ONE. */ | |
1420 | ||
1421 | static void | |
1422 | emit_octal_digit (struct ui_file *stream, bool *seen_a_one, int digit) | |
1423 | { | |
1424 | if (*seen_a_one || digit != 0) | |
1425 | fprintf_filtered (stream, "%o", digit); | |
1426 | if (digit != 0) | |
1427 | *seen_a_one = true; | |
c906108c SS |
1428 | } |
1429 | ||
1430 | /* VALADDR points to an integer of LEN bytes. | |
581e13c1 MS |
1431 | Print it in octal on stream or format it in buf. */ |
1432 | ||
c906108c | 1433 | void |
fc1a4b47 | 1434 | print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
d44e8473 | 1435 | unsigned len, enum bfd_endian byte_order) |
c906108c | 1436 | { |
fc1a4b47 | 1437 | const gdb_byte *p; |
c906108c | 1438 | unsigned char octa1, octa2, octa3, carry; |
c5aa993b JM |
1439 | int cycle; |
1440 | ||
c906108c SS |
1441 | /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track |
1442 | * the extra bits, which cycle every three bytes: | |
1443 | * | |
1444 | * Byte side: 0 1 2 3 | |
1445 | * | | | | | |
1446 | * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 | | |
1447 | * | |
1448 | * Octal side: 0 1 carry 3 4 carry ... | |
1449 | * | |
1450 | * Cycle number: 0 1 2 | |
1451 | * | |
1452 | * But of course we are printing from the high side, so we have to | |
1453 | * figure out where in the cycle we are so that we end up with no | |
1454 | * left over bits at the end. | |
1455 | */ | |
1456 | #define BITS_IN_OCTAL 3 | |
1457 | #define HIGH_ZERO 0340 | |
d6382fff | 1458 | #define LOW_ZERO 0034 |
c906108c | 1459 | #define CARRY_ZERO 0003 |
d6382fff TT |
1460 | static_assert (HIGH_ZERO + LOW_ZERO + CARRY_ZERO == 0xff, |
1461 | "cycle zero constants are wrong"); | |
c906108c SS |
1462 | #define HIGH_ONE 0200 |
1463 | #define MID_ONE 0160 | |
1464 | #define LOW_ONE 0016 | |
1465 | #define CARRY_ONE 0001 | |
d6382fff TT |
1466 | static_assert (HIGH_ONE + MID_ONE + LOW_ONE + CARRY_ONE == 0xff, |
1467 | "cycle one constants are wrong"); | |
c906108c SS |
1468 | #define HIGH_TWO 0300 |
1469 | #define MID_TWO 0070 | |
1470 | #define LOW_TWO 0007 | |
d6382fff TT |
1471 | static_assert (HIGH_TWO + MID_TWO + LOW_TWO == 0xff, |
1472 | "cycle two constants are wrong"); | |
c906108c SS |
1473 | |
1474 | /* For 32 we start in cycle 2, with two bits and one bit carry; | |
581e13c1 MS |
1475 | for 64 in cycle in cycle 1, with one bit and a two bit carry. */ |
1476 | ||
d3abe1c8 | 1477 | cycle = (len * HOST_CHAR_BIT) % BITS_IN_OCTAL; |
c906108c | 1478 | carry = 0; |
c5aa993b | 1479 | |
bb599908 | 1480 | fputs_filtered ("0", stream); |
30a25466 | 1481 | bool seen_a_one = false; |
d44e8473 | 1482 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c SS |
1483 | { |
1484 | for (p = valaddr; | |
1485 | p < valaddr + len; | |
1486 | p++) | |
1487 | { | |
c5aa993b JM |
1488 | switch (cycle) |
1489 | { | |
1490 | case 0: | |
581e13c1 MS |
1491 | /* No carry in, carry out two bits. */ |
1492 | ||
c5aa993b JM |
1493 | octa1 = (HIGH_ZERO & *p) >> 5; |
1494 | octa2 = (LOW_ZERO & *p) >> 2; | |
1495 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1496 | emit_octal_digit (stream, &seen_a_one, octa1); |
1497 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1498 | break; |
1499 | ||
1500 | case 1: | |
581e13c1 MS |
1501 | /* Carry in two bits, carry out one bit. */ |
1502 | ||
c5aa993b JM |
1503 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1504 | octa2 = (MID_ONE & *p) >> 4; | |
1505 | octa3 = (LOW_ONE & *p) >> 1; | |
1506 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1507 | emit_octal_digit (stream, &seen_a_one, octa1); |
1508 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1509 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1510 | break; |
1511 | ||
1512 | case 2: | |
581e13c1 MS |
1513 | /* Carry in one bit, no carry out. */ |
1514 | ||
c5aa993b JM |
1515 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1516 | octa2 = (MID_TWO & *p) >> 3; | |
1517 | octa3 = (LOW_TWO & *p); | |
1518 | carry = 0; | |
30a25466 TT |
1519 | emit_octal_digit (stream, &seen_a_one, octa1); |
1520 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1521 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1522 | break; |
1523 | ||
1524 | default: | |
8a3fe4f8 | 1525 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1526 | } |
1527 | ||
1528 | cycle++; | |
1529 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1530 | } |
1531 | } | |
1532 | else | |
1533 | { | |
1534 | for (p = valaddr + len - 1; | |
1535 | p >= valaddr; | |
1536 | p--) | |
1537 | { | |
c5aa993b JM |
1538 | switch (cycle) |
1539 | { | |
1540 | case 0: | |
1541 | /* Carry out, no carry in */ | |
581e13c1 | 1542 | |
c5aa993b JM |
1543 | octa1 = (HIGH_ZERO & *p) >> 5; |
1544 | octa2 = (LOW_ZERO & *p) >> 2; | |
1545 | carry = (CARRY_ZERO & *p); | |
30a25466 TT |
1546 | emit_octal_digit (stream, &seen_a_one, octa1); |
1547 | emit_octal_digit (stream, &seen_a_one, octa2); | |
c5aa993b JM |
1548 | break; |
1549 | ||
1550 | case 1: | |
1551 | /* Carry in, carry out */ | |
581e13c1 | 1552 | |
c5aa993b JM |
1553 | octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7); |
1554 | octa2 = (MID_ONE & *p) >> 4; | |
1555 | octa3 = (LOW_ONE & *p) >> 1; | |
1556 | carry = (CARRY_ONE & *p); | |
30a25466 TT |
1557 | emit_octal_digit (stream, &seen_a_one, octa1); |
1558 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1559 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1560 | break; |
1561 | ||
1562 | case 2: | |
1563 | /* Carry in, no carry out */ | |
581e13c1 | 1564 | |
c5aa993b JM |
1565 | octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6); |
1566 | octa2 = (MID_TWO & *p) >> 3; | |
1567 | octa3 = (LOW_TWO & *p); | |
1568 | carry = 0; | |
30a25466 TT |
1569 | emit_octal_digit (stream, &seen_a_one, octa1); |
1570 | emit_octal_digit (stream, &seen_a_one, octa2); | |
1571 | emit_octal_digit (stream, &seen_a_one, octa3); | |
c5aa993b JM |
1572 | break; |
1573 | ||
1574 | default: | |
8a3fe4f8 | 1575 | error (_("Internal error in octal conversion;")); |
c5aa993b JM |
1576 | } |
1577 | ||
1578 | cycle++; | |
1579 | cycle = cycle % BITS_IN_OCTAL; | |
c906108c SS |
1580 | } |
1581 | } | |
1582 | ||
c906108c SS |
1583 | } |
1584 | ||
4ac0cb1c TT |
1585 | /* Possibly negate the integer represented by BYTES. It contains LEN |
1586 | bytes in the specified byte order. If the integer is negative, | |
1587 | copy it into OUT_VEC, negate it, and return true. Otherwise, do | |
1588 | nothing and return false. */ | |
1589 | ||
1590 | static bool | |
1591 | maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len, | |
1592 | enum bfd_endian byte_order, | |
d5722aa2 | 1593 | gdb::byte_vector *out_vec) |
4ac0cb1c TT |
1594 | { |
1595 | gdb_byte sign_byte; | |
eb77c9df | 1596 | gdb_assert (len > 0); |
4ac0cb1c TT |
1597 | if (byte_order == BFD_ENDIAN_BIG) |
1598 | sign_byte = bytes[0]; | |
1599 | else | |
1600 | sign_byte = bytes[len - 1]; | |
1601 | if ((sign_byte & 0x80) == 0) | |
1602 | return false; | |
1603 | ||
1604 | out_vec->resize (len); | |
1605 | ||
1606 | /* Compute -x == 1 + ~x. */ | |
1607 | if (byte_order == BFD_ENDIAN_LITTLE) | |
1608 | { | |
1609 | unsigned carry = 1; | |
1610 | for (unsigned i = 0; i < len; ++i) | |
1611 | { | |
1612 | unsigned tem = (0xff & ~bytes[i]) + carry; | |
1613 | (*out_vec)[i] = tem & 0xff; | |
1614 | carry = tem / 256; | |
1615 | } | |
1616 | } | |
1617 | else | |
1618 | { | |
1619 | unsigned carry = 1; | |
1620 | for (unsigned i = len; i > 0; --i) | |
1621 | { | |
1622 | unsigned tem = (0xff & ~bytes[i - 1]) + carry; | |
1623 | (*out_vec)[i - 1] = tem & 0xff; | |
1624 | carry = tem / 256; | |
1625 | } | |
1626 | } | |
1627 | ||
1628 | return true; | |
1629 | } | |
1630 | ||
c906108c | 1631 | /* VALADDR points to an integer of LEN bytes. |
581e13c1 MS |
1632 | Print it in decimal on stream or format it in buf. */ |
1633 | ||
c906108c | 1634 | void |
fc1a4b47 | 1635 | print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr, |
4ac0cb1c TT |
1636 | unsigned len, bool is_signed, |
1637 | enum bfd_endian byte_order) | |
c906108c SS |
1638 | { |
1639 | #define TEN 10 | |
c5aa993b | 1640 | #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */ |
c906108c SS |
1641 | #define CARRY_LEFT( x ) ((x) % TEN) |
1642 | #define SHIFT( x ) ((x) << 4) | |
c906108c SS |
1643 | #define LOW_NIBBLE( x ) ( (x) & 0x00F) |
1644 | #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4) | |
1645 | ||
fc1a4b47 | 1646 | const gdb_byte *p; |
c5aa993b JM |
1647 | int carry; |
1648 | int decimal_len; | |
1649 | int i, j, decimal_digits; | |
1650 | int dummy; | |
1651 | int flip; | |
1652 | ||
d5722aa2 | 1653 | gdb::byte_vector negated_bytes; |
4ac0cb1c TT |
1654 | if (is_signed |
1655 | && maybe_negate_by_bytes (valaddr, len, byte_order, &negated_bytes)) | |
1656 | { | |
1657 | fputs_filtered ("-", stream); | |
1658 | valaddr = negated_bytes.data (); | |
1659 | } | |
1660 | ||
c906108c | 1661 | /* Base-ten number is less than twice as many digits |
581e13c1 MS |
1662 | as the base 16 number, which is 2 digits per byte. */ |
1663 | ||
c906108c | 1664 | decimal_len = len * 2 * 2; |
30a25466 | 1665 | std::vector<unsigned char> digits (decimal_len, 0); |
c906108c | 1666 | |
c906108c SS |
1667 | /* Ok, we have an unknown number of bytes of data to be printed in |
1668 | * decimal. | |
1669 | * | |
1670 | * Given a hex number (in nibbles) as XYZ, we start by taking X and | |
30baf67b | 1671 | * decimalizing it as "x1 x2" in two decimal nibbles. Then we multiply |
c906108c SS |
1672 | * the nibbles by 16, add Y and re-decimalize. Repeat with Z. |
1673 | * | |
1674 | * The trick is that "digits" holds a base-10 number, but sometimes | |
581e13c1 | 1675 | * the individual digits are > 10. |
c906108c SS |
1676 | * |
1677 | * Outer loop is per nibble (hex digit) of input, from MSD end to | |
1678 | * LSD end. | |
1679 | */ | |
c5aa993b | 1680 | decimal_digits = 0; /* Number of decimal digits so far */ |
d44e8473 | 1681 | p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1; |
c906108c | 1682 | flip = 0; |
d44e8473 | 1683 | while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr)) |
c5aa993b | 1684 | { |
c906108c SS |
1685 | /* |
1686 | * Multiply current base-ten number by 16 in place. | |
1687 | * Each digit was between 0 and 9, now is between | |
1688 | * 0 and 144. | |
1689 | */ | |
c5aa993b JM |
1690 | for (j = 0; j < decimal_digits; j++) |
1691 | { | |
1692 | digits[j] = SHIFT (digits[j]); | |
1693 | } | |
1694 | ||
c906108c SS |
1695 | /* Take the next nibble off the input and add it to what |
1696 | * we've got in the LSB position. Bottom 'digit' is now | |
1697 | * between 0 and 159. | |
1698 | * | |
1699 | * "flip" is used to run this loop twice for each byte. | |
1700 | */ | |
c5aa993b JM |
1701 | if (flip == 0) |
1702 | { | |
581e13c1 MS |
1703 | /* Take top nibble. */ |
1704 | ||
c5aa993b JM |
1705 | digits[0] += HIGH_NIBBLE (*p); |
1706 | flip = 1; | |
1707 | } | |
1708 | else | |
1709 | { | |
581e13c1 MS |
1710 | /* Take low nibble and bump our pointer "p". */ |
1711 | ||
c5aa993b | 1712 | digits[0] += LOW_NIBBLE (*p); |
dda83cd7 | 1713 | if (byte_order == BFD_ENDIAN_BIG) |
d44e8473 MD |
1714 | p++; |
1715 | else | |
1716 | p--; | |
c5aa993b JM |
1717 | flip = 0; |
1718 | } | |
c906108c SS |
1719 | |
1720 | /* Re-decimalize. We have to do this often enough | |
1721 | * that we don't overflow, but once per nibble is | |
1722 | * overkill. Easier this way, though. Note that the | |
1723 | * carry is often larger than 10 (e.g. max initial | |
1724 | * carry out of lowest nibble is 15, could bubble all | |
1725 | * the way up greater than 10). So we have to do | |
1726 | * the carrying beyond the last current digit. | |
1727 | */ | |
1728 | carry = 0; | |
c5aa993b JM |
1729 | for (j = 0; j < decimal_len - 1; j++) |
1730 | { | |
1731 | digits[j] += carry; | |
1732 | ||
1733 | /* "/" won't handle an unsigned char with | |
1734 | * a value that if signed would be negative. | |
1735 | * So extend to longword int via "dummy". | |
1736 | */ | |
1737 | dummy = digits[j]; | |
1738 | carry = CARRY_OUT (dummy); | |
1739 | digits[j] = CARRY_LEFT (dummy); | |
1740 | ||
1741 | if (j >= decimal_digits && carry == 0) | |
1742 | { | |
1743 | /* | |
1744 | * All higher digits are 0 and we | |
1745 | * no longer have a carry. | |
1746 | * | |
1747 | * Note: "j" is 0-based, "decimal_digits" is | |
1748 | * 1-based. | |
1749 | */ | |
1750 | decimal_digits = j + 1; | |
1751 | break; | |
1752 | } | |
1753 | } | |
1754 | } | |
c906108c SS |
1755 | |
1756 | /* Ok, now "digits" is the decimal representation, with | |
581e13c1 MS |
1757 | the "decimal_digits" actual digits. Print! */ |
1758 | ||
30a25466 TT |
1759 | for (i = decimal_digits - 1; i > 0 && digits[i] == 0; --i) |
1760 | ; | |
1761 | ||
1762 | for (; i >= 0; i--) | |
c5aa993b JM |
1763 | { |
1764 | fprintf_filtered (stream, "%1d", digits[i]); | |
1765 | } | |
c906108c SS |
1766 | } |
1767 | ||
1768 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ | |
1769 | ||
6b9acc27 | 1770 | void |
fc1a4b47 | 1771 | print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr, |
30a25466 TT |
1772 | unsigned len, enum bfd_endian byte_order, |
1773 | bool zero_pad) | |
c906108c | 1774 | { |
fc1a4b47 | 1775 | const gdb_byte *p; |
c906108c | 1776 | |
bb599908 | 1777 | fputs_filtered ("0x", stream); |
d44e8473 | 1778 | if (byte_order == BFD_ENDIAN_BIG) |
c906108c | 1779 | { |
30a25466 TT |
1780 | p = valaddr; |
1781 | ||
1782 | if (!zero_pad) | |
1783 | { | |
1784 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1785 | single byte at the end. */ | |
1786 | for (; p < valaddr + len - 1 && !*p; ++p) | |
1787 | ; | |
1788 | } | |
1789 | ||
1790 | const gdb_byte *first = p; | |
1791 | for (; | |
c906108c SS |
1792 | p < valaddr + len; |
1793 | p++) | |
1794 | { | |
30a25466 TT |
1795 | /* When not zero-padding, use a different format for the |
1796 | very first byte printed. */ | |
1797 | if (!zero_pad && p == first) | |
1798 | fprintf_filtered (stream, "%x", *p); | |
1799 | else | |
1800 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1801 | } |
1802 | } | |
1803 | else | |
1804 | { | |
30a25466 TT |
1805 | p = valaddr + len - 1; |
1806 | ||
1807 | if (!zero_pad) | |
1808 | { | |
1809 | /* Strip leading 0 bytes, but be sure to leave at least a | |
1810 | single byte at the end. */ | |
1811 | for (; p >= valaddr + 1 && !*p; --p) | |
1812 | ; | |
1813 | } | |
1814 | ||
1815 | const gdb_byte *first = p; | |
1816 | for (; | |
c906108c SS |
1817 | p >= valaddr; |
1818 | p--) | |
1819 | { | |
30a25466 TT |
1820 | /* When not zero-padding, use a different format for the |
1821 | very first byte printed. */ | |
1822 | if (!zero_pad && p == first) | |
1823 | fprintf_filtered (stream, "%x", *p); | |
1824 | else | |
1825 | fprintf_filtered (stream, "%02x", *p); | |
c906108c SS |
1826 | } |
1827 | } | |
c906108c SS |
1828 | } |
1829 | ||
132c57b4 TT |
1830 | /* Print function pointer with inferior address ADDRESS onto stdio |
1831 | stream STREAM. */ | |
1832 | ||
1833 | void | |
edf0c1b7 TT |
1834 | print_function_pointer_address (const struct value_print_options *options, |
1835 | struct gdbarch *gdbarch, | |
132c57b4 | 1836 | CORE_ADDR address, |
edf0c1b7 | 1837 | struct ui_file *stream) |
132c57b4 TT |
1838 | { |
1839 | CORE_ADDR func_addr | |
1840 | = gdbarch_convert_from_func_ptr_addr (gdbarch, address, | |
8b88a78e | 1841 | current_top_target ()); |
132c57b4 TT |
1842 | |
1843 | /* If the function pointer is represented by a description, print | |
1844 | the address of the description. */ | |
edf0c1b7 | 1845 | if (options->addressprint && func_addr != address) |
132c57b4 TT |
1846 | { |
1847 | fputs_filtered ("@", stream); | |
1848 | fputs_filtered (paddress (gdbarch, address), stream); | |
1849 | fputs_filtered (": ", stream); | |
1850 | } | |
edf0c1b7 | 1851 | print_address_demangle (options, gdbarch, func_addr, stream, demangle); |
132c57b4 TT |
1852 | } |
1853 | ||
1854 | ||
79a45b7d | 1855 | /* Print on STREAM using the given OPTIONS the index for the element |
e79af960 JB |
1856 | at INDEX of an array whose index type is INDEX_TYPE. */ |
1857 | ||
1858 | void | |
1859 | maybe_print_array_index (struct type *index_type, LONGEST index, | |
dda83cd7 | 1860 | struct ui_file *stream, |
79a45b7d | 1861 | const struct value_print_options *options) |
e79af960 | 1862 | { |
79a45b7d | 1863 | if (!options->print_array_indexes) |
e79af960 | 1864 | return; |
e74b39de AB |
1865 | |
1866 | current_language->print_array_index (index_type, index, stream, options); | |
79a45b7d | 1867 | } |
e79af960 | 1868 | |
d121c6ce TT |
1869 | /* See valprint.h. */ |
1870 | ||
1871 | void | |
1872 | value_print_array_elements (struct value *val, struct ui_file *stream, | |
1873 | int recurse, | |
1874 | const struct value_print_options *options, | |
1875 | unsigned int i) | |
1876 | { | |
1877 | unsigned int things_printed = 0; | |
1878 | unsigned len; | |
53a47a3e | 1879 | struct type *elttype, *index_type; |
d121c6ce TT |
1880 | unsigned eltlen; |
1881 | /* Position of the array element we are examining to see | |
1882 | whether it is repeated. */ | |
1883 | unsigned int rep1; | |
1884 | /* Number of repetitions we have detected so far. */ | |
1885 | unsigned int reps; | |
1886 | LONGEST low_bound, high_bound; | |
d121c6ce TT |
1887 | |
1888 | struct type *type = check_typedef (value_type (val)); | |
1889 | ||
1890 | elttype = TYPE_TARGET_TYPE (type); | |
1891 | eltlen = type_length_units (check_typedef (elttype)); | |
3d967001 | 1892 | index_type = type->index_type (); |
53a47a3e TT |
1893 | if (index_type->code () == TYPE_CODE_RANGE) |
1894 | index_type = TYPE_TARGET_TYPE (index_type); | |
d121c6ce TT |
1895 | |
1896 | if (get_array_bounds (type, &low_bound, &high_bound)) | |
1897 | { | |
53a47a3e | 1898 | /* The array length should normally be HIGH_BOUND - LOW_BOUND + |
dda83cd7 SM |
1899 | 1. But we have to be a little extra careful, because some |
1900 | languages such as Ada allow LOW_BOUND to be greater than | |
1901 | HIGH_BOUND for empty arrays. In that situation, the array | |
1902 | length is just zero, not negative! */ | |
53a47a3e | 1903 | if (low_bound > high_bound) |
d121c6ce TT |
1904 | len = 0; |
1905 | else | |
53a47a3e | 1906 | len = high_bound - low_bound + 1; |
d121c6ce TT |
1907 | } |
1908 | else | |
1909 | { | |
1910 | warning (_("unable to get bounds of array, assuming null array")); | |
1911 | low_bound = 0; | |
1912 | len = 0; | |
1913 | } | |
1914 | ||
1915 | annotate_array_section_begin (i, elttype); | |
1916 | ||
1917 | for (; i < len && things_printed < options->print_max; i++) | |
1918 | { | |
1919 | scoped_value_mark free_values; | |
1920 | ||
1921 | if (i != 0) | |
1922 | { | |
1923 | if (options->prettyformat_arrays) | |
1924 | { | |
1925 | fprintf_filtered (stream, ",\n"); | |
1926 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1927 | } | |
1928 | else | |
1929 | fprintf_filtered (stream, ", "); | |
1930 | } | |
d642b692 HD |
1931 | else if (options->prettyformat_arrays) |
1932 | { | |
1933 | fprintf_filtered (stream, "\n"); | |
1934 | print_spaces_filtered (2 + 2 * recurse, stream); | |
1935 | } | |
d121c6ce TT |
1936 | wrap_here (n_spaces (2 + 2 * recurse)); |
1937 | maybe_print_array_index (index_type, i + low_bound, | |
dda83cd7 | 1938 | stream, options); |
d121c6ce TT |
1939 | |
1940 | rep1 = i + 1; | |
1941 | reps = 1; | |
1942 | /* Only check for reps if repeat_count_threshold is not set to | |
1943 | UINT_MAX (unlimited). */ | |
1944 | if (options->repeat_count_threshold < UINT_MAX) | |
1945 | { | |
1946 | while (rep1 < len | |
1947 | && value_contents_eq (val, i * eltlen, | |
1948 | val, rep1 * eltlen, | |
1949 | eltlen)) | |
1950 | { | |
1951 | ++reps; | |
1952 | ++rep1; | |
1953 | } | |
1954 | } | |
1955 | ||
1956 | struct value *element = value_from_component (val, elttype, eltlen * i); | |
1957 | common_val_print (element, stream, recurse + 1, options, | |
1958 | current_language); | |
1959 | ||
1960 | if (reps > options->repeat_count_threshold) | |
1961 | { | |
1962 | annotate_elt_rep (reps); | |
1963 | fprintf_filtered (stream, " %p[<repeats %u times>%p]", | |
1964 | metadata_style.style ().ptr (), reps, nullptr); | |
1965 | annotate_elt_rep_end (); | |
1966 | ||
1967 | i = rep1 - 1; | |
1968 | things_printed += options->repeat_count_threshold; | |
1969 | } | |
1970 | else | |
1971 | { | |
1972 | annotate_elt (); | |
1973 | things_printed++; | |
1974 | } | |
1975 | } | |
1976 | annotate_array_section_end (); | |
1977 | if (i < len) | |
1978 | fprintf_filtered (stream, "..."); | |
d642b692 HD |
1979 | if (options->prettyformat_arrays) |
1980 | { | |
1981 | fprintf_filtered (stream, "\n"); | |
1982 | print_spaces_filtered (2 * recurse, stream); | |
1983 | } | |
d121c6ce TT |
1984 | } |
1985 | ||
917317f4 JM |
1986 | /* Read LEN bytes of target memory at address MEMADDR, placing the |
1987 | results in GDB's memory at MYADDR. Returns a count of the bytes | |
9b409511 | 1988 | actually read, and optionally a target_xfer_status value in the |
578d3588 | 1989 | location pointed to by ERRPTR if ERRPTR is non-null. */ |
917317f4 JM |
1990 | |
1991 | /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this | |
1992 | function be eliminated. */ | |
1993 | ||
1994 | static int | |
3e43a32a | 1995 | partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, |
578d3588 | 1996 | int len, int *errptr) |
917317f4 | 1997 | { |
581e13c1 MS |
1998 | int nread; /* Number of bytes actually read. */ |
1999 | int errcode; /* Error from last read. */ | |
917317f4 | 2000 | |
581e13c1 | 2001 | /* First try a complete read. */ |
917317f4 JM |
2002 | errcode = target_read_memory (memaddr, myaddr, len); |
2003 | if (errcode == 0) | |
2004 | { | |
581e13c1 | 2005 | /* Got it all. */ |
917317f4 JM |
2006 | nread = len; |
2007 | } | |
2008 | else | |
2009 | { | |
581e13c1 | 2010 | /* Loop, reading one byte at a time until we get as much as we can. */ |
917317f4 JM |
2011 | for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--) |
2012 | { | |
2013 | errcode = target_read_memory (memaddr++, myaddr++, 1); | |
2014 | } | |
581e13c1 | 2015 | /* If an error, the last read was unsuccessful, so adjust count. */ |
917317f4 JM |
2016 | if (errcode != 0) |
2017 | { | |
2018 | nread--; | |
2019 | } | |
2020 | } | |
578d3588 | 2021 | if (errptr != NULL) |
917317f4 | 2022 | { |
578d3588 | 2023 | *errptr = errcode; |
917317f4 JM |
2024 | } |
2025 | return (nread); | |
2026 | } | |
2027 | ||
b4be9fad TT |
2028 | /* Read a string from the inferior, at ADDR, with LEN characters of |
2029 | WIDTH bytes each. Fetch at most FETCHLIMIT characters. BUFFER | |
2030 | will be set to a newly allocated buffer containing the string, and | |
2031 | BYTES_READ will be set to the number of bytes read. Returns 0 on | |
9b409511 | 2032 | success, or a target_xfer_status on failure. |
ae6a3a4c | 2033 | |
f380848e SA |
2034 | If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters |
2035 | (including eventual NULs in the middle or end of the string). | |
2036 | ||
2037 | If LEN is -1, stops at the first null character (not necessarily | |
2038 | the first null byte) up to a maximum of FETCHLIMIT characters. Set | |
2039 | FETCHLIMIT to UINT_MAX to read as many characters as possible from | |
2040 | the string. | |
ae6a3a4c TJB |
2041 | |
2042 | Unless an exception is thrown, BUFFER will always be allocated, even on | |
2043 | failure. In this case, some characters might have been read before the | |
670e35fa | 2044 | failure happened. Check BYTES_READ to recognize this situation. */ |
c906108c SS |
2045 | |
2046 | int | |
ae6a3a4c | 2047 | read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit, |
b4be9fad TT |
2048 | enum bfd_endian byte_order, gdb::unique_xmalloc_ptr<gdb_byte> *buffer, |
2049 | int *bytes_read) | |
c906108c | 2050 | { |
ae6a3a4c TJB |
2051 | int errcode; /* Errno returned from bad reads. */ |
2052 | unsigned int nfetch; /* Chars to fetch / chars fetched. */ | |
3e43a32a MS |
2053 | gdb_byte *bufptr; /* Pointer to next available byte in |
2054 | buffer. */ | |
ae6a3a4c | 2055 | |
ae6a3a4c TJB |
2056 | /* Loop until we either have all the characters, or we encounter |
2057 | some error, such as bumping into the end of the address space. */ | |
c906108c | 2058 | |
b4be9fad | 2059 | buffer->reset (nullptr); |
c906108c SS |
2060 | |
2061 | if (len > 0) | |
2062 | { | |
88db67ef YQ |
2063 | /* We want fetchlimit chars, so we might as well read them all in |
2064 | one operation. */ | |
325fac50 | 2065 | unsigned int fetchlen = std::min ((unsigned) len, fetchlimit); |
f380848e | 2066 | |
b4be9fad TT |
2067 | buffer->reset ((gdb_byte *) xmalloc (fetchlen * width)); |
2068 | bufptr = buffer->get (); | |
c906108c | 2069 | |
f380848e | 2070 | nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode) |
c906108c SS |
2071 | / width; |
2072 | addr += nfetch * width; | |
2073 | bufptr += nfetch * width; | |
2074 | } | |
2075 | else if (len == -1) | |
2076 | { | |
2077 | unsigned long bufsize = 0; | |
88db67ef YQ |
2078 | unsigned int chunksize; /* Size of each fetch, in chars. */ |
2079 | int found_nul; /* Non-zero if we found the nul char. */ | |
2080 | gdb_byte *limit; /* First location past end of fetch buffer. */ | |
2081 | ||
2082 | found_nul = 0; | |
2083 | /* We are looking for a NUL terminator to end the fetching, so we | |
2084 | might as well read in blocks that are large enough to be efficient, | |
2085 | but not so large as to be slow if fetchlimit happens to be large. | |
2086 | So we choose the minimum of 8 and fetchlimit. We used to use 200 | |
2087 | instead of 8 but 200 is way too big for remote debugging over a | |
2088 | serial line. */ | |
325fac50 | 2089 | chunksize = std::min (8u, fetchlimit); |
ae6a3a4c | 2090 | |
c906108c SS |
2091 | do |
2092 | { | |
2093 | QUIT; | |
325fac50 | 2094 | nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize); |
c906108c | 2095 | |
ae6a3a4c | 2096 | if (*buffer == NULL) |
b4be9fad | 2097 | buffer->reset ((gdb_byte *) xmalloc (nfetch * width)); |
c906108c | 2098 | else |
b4be9fad TT |
2099 | buffer->reset ((gdb_byte *) xrealloc (buffer->release (), |
2100 | (nfetch + bufsize) * width)); | |
c906108c | 2101 | |
b4be9fad | 2102 | bufptr = buffer->get () + bufsize * width; |
c906108c SS |
2103 | bufsize += nfetch; |
2104 | ||
ae6a3a4c | 2105 | /* Read as much as we can. */ |
917317f4 | 2106 | nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode) |
ae6a3a4c | 2107 | / width; |
c906108c | 2108 | |
ae6a3a4c | 2109 | /* Scan this chunk for the null character that terminates the string |
c906108c SS |
2110 | to print. If found, we don't need to fetch any more. Note |
2111 | that bufptr is explicitly left pointing at the next character | |
ae6a3a4c TJB |
2112 | after the null character, or at the next character after the end |
2113 | of the buffer. */ | |
c906108c SS |
2114 | |
2115 | limit = bufptr + nfetch * width; | |
2116 | while (bufptr < limit) | |
2117 | { | |
2118 | unsigned long c; | |
2119 | ||
e17a4113 | 2120 | c = extract_unsigned_integer (bufptr, width, byte_order); |
c906108c SS |
2121 | addr += width; |
2122 | bufptr += width; | |
2123 | if (c == 0) | |
2124 | { | |
2125 | /* We don't care about any error which happened after | |
ae6a3a4c | 2126 | the NUL terminator. */ |
c906108c SS |
2127 | errcode = 0; |
2128 | found_nul = 1; | |
2129 | break; | |
2130 | } | |
2131 | } | |
2132 | } | |
c5aa993b | 2133 | while (errcode == 0 /* no error */ |
b4be9fad | 2134 | && bufptr - buffer->get () < fetchlimit * width /* no overrun */ |
ae6a3a4c | 2135 | && !found_nul); /* haven't found NUL yet */ |
c906108c SS |
2136 | } |
2137 | else | |
ae6a3a4c TJB |
2138 | { /* Length of string is really 0! */ |
2139 | /* We always allocate *buffer. */ | |
b4be9fad TT |
2140 | buffer->reset ((gdb_byte *) xmalloc (1)); |
2141 | bufptr = buffer->get (); | |
c906108c SS |
2142 | errcode = 0; |
2143 | } | |
2144 | ||
2145 | /* bufptr and addr now point immediately beyond the last byte which we | |
2146 | consider part of the string (including a '\0' which ends the string). */ | |
b4be9fad | 2147 | *bytes_read = bufptr - buffer->get (); |
ae6a3a4c TJB |
2148 | |
2149 | QUIT; | |
2150 | ||
ae6a3a4c TJB |
2151 | return errcode; |
2152 | } | |
2153 | ||
3b2b8fea TT |
2154 | /* Return true if print_wchar can display W without resorting to a |
2155 | numeric escape, false otherwise. */ | |
2156 | ||
2157 | static int | |
2158 | wchar_printable (gdb_wchar_t w) | |
2159 | { | |
2160 | return (gdb_iswprint (w) | |
2161 | || w == LCST ('\a') || w == LCST ('\b') | |
2162 | || w == LCST ('\f') || w == LCST ('\n') | |
2163 | || w == LCST ('\r') || w == LCST ('\t') | |
2164 | || w == LCST ('\v')); | |
2165 | } | |
2166 | ||
2167 | /* A helper function that converts the contents of STRING to wide | |
2168 | characters and then appends them to OUTPUT. */ | |
2169 | ||
2170 | static void | |
2171 | append_string_as_wide (const char *string, | |
2172 | struct obstack *output) | |
2173 | { | |
2174 | for (; *string; ++string) | |
2175 | { | |
2176 | gdb_wchar_t w = gdb_btowc (*string); | |
2177 | obstack_grow (output, &w, sizeof (gdb_wchar_t)); | |
2178 | } | |
2179 | } | |
2180 | ||
2181 | /* Print a wide character W to OUTPUT. ORIG is a pointer to the | |
2182 | original (target) bytes representing the character, ORIG_LEN is the | |
2183 | number of valid bytes. WIDTH is the number of bytes in a base | |
2184 | characters of the type. OUTPUT is an obstack to which wide | |
2185 | characters are emitted. QUOTER is a (narrow) character indicating | |
2186 | the style of quotes surrounding the character to be printed. | |
2187 | NEED_ESCAPE is an in/out flag which is used to track numeric | |
2188 | escapes across calls. */ | |
2189 | ||
2190 | static void | |
2191 | print_wchar (gdb_wint_t w, const gdb_byte *orig, | |
2192 | int orig_len, int width, | |
2193 | enum bfd_endian byte_order, | |
2194 | struct obstack *output, | |
2195 | int quoter, int *need_escapep) | |
2196 | { | |
2197 | int need_escape = *need_escapep; | |
2198 | ||
2199 | *need_escapep = 0; | |
3b2b8fea | 2200 | |
95c64f92 YQ |
2201 | /* iswprint implementation on Windows returns 1 for tab character. |
2202 | In order to avoid different printout on this host, we explicitly | |
2203 | use wchar_printable function. */ | |
2204 | switch (w) | |
3b2b8fea | 2205 | { |
95c64f92 YQ |
2206 | case LCST ('\a'): |
2207 | obstack_grow_wstr (output, LCST ("\\a")); | |
2208 | break; | |
2209 | case LCST ('\b'): | |
2210 | obstack_grow_wstr (output, LCST ("\\b")); | |
2211 | break; | |
2212 | case LCST ('\f'): | |
2213 | obstack_grow_wstr (output, LCST ("\\f")); | |
2214 | break; | |
2215 | case LCST ('\n'): | |
2216 | obstack_grow_wstr (output, LCST ("\\n")); | |
2217 | break; | |
2218 | case LCST ('\r'): | |
2219 | obstack_grow_wstr (output, LCST ("\\r")); | |
2220 | break; | |
2221 | case LCST ('\t'): | |
2222 | obstack_grow_wstr (output, LCST ("\\t")); | |
2223 | break; | |
2224 | case LCST ('\v'): | |
2225 | obstack_grow_wstr (output, LCST ("\\v")); | |
2226 | break; | |
2227 | default: | |
3b2b8fea | 2228 | { |
95c64f92 YQ |
2229 | if (wchar_printable (w) && (!need_escape || (!gdb_iswdigit (w) |
2230 | && w != LCST ('8') | |
2231 | && w != LCST ('9')))) | |
2232 | { | |
2233 | gdb_wchar_t wchar = w; | |
3b2b8fea | 2234 | |
95c64f92 YQ |
2235 | if (w == gdb_btowc (quoter) || w == LCST ('\\')) |
2236 | obstack_grow_wstr (output, LCST ("\\")); | |
2237 | obstack_grow (output, &wchar, sizeof (gdb_wchar_t)); | |
2238 | } | |
2239 | else | |
2240 | { | |
2241 | int i; | |
3b2b8fea | 2242 | |
95c64f92 YQ |
2243 | for (i = 0; i + width <= orig_len; i += width) |
2244 | { | |
2245 | char octal[30]; | |
2246 | ULONGEST value; | |
2247 | ||
2248 | value = extract_unsigned_integer (&orig[i], width, | |
3b2b8fea | 2249 | byte_order); |
95c64f92 YQ |
2250 | /* If the value fits in 3 octal digits, print it that |
2251 | way. Otherwise, print it as a hex escape. */ | |
2252 | if (value <= 0777) | |
2253 | xsnprintf (octal, sizeof (octal), "\\%.3o", | |
2254 | (int) (value & 0777)); | |
2255 | else | |
2256 | xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value); | |
2257 | append_string_as_wide (octal, output); | |
2258 | } | |
2259 | /* If we somehow have extra bytes, print them now. */ | |
2260 | while (i < orig_len) | |
2261 | { | |
2262 | char octal[5]; | |
2263 | ||
2264 | xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff); | |
2265 | append_string_as_wide (octal, output); | |
2266 | ++i; | |
2267 | } | |
2268 | ||
2269 | *need_escapep = 1; | |
2270 | } | |
3b2b8fea TT |
2271 | break; |
2272 | } | |
2273 | } | |
2274 | } | |
2275 | ||
2276 | /* Print the character C on STREAM as part of the contents of a | |
2277 | literal string whose delimiter is QUOTER. ENCODING names the | |
2278 | encoding of C. */ | |
2279 | ||
2280 | void | |
2281 | generic_emit_char (int c, struct type *type, struct ui_file *stream, | |
2282 | int quoter, const char *encoding) | |
2283 | { | |
2284 | enum bfd_endian byte_order | |
34877895 | 2285 | = type_byte_order (type); |
b926417a | 2286 | gdb_byte *c_buf; |
3b2b8fea TT |
2287 | int need_escape = 0; |
2288 | ||
b926417a TT |
2289 | c_buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
2290 | pack_long (c_buf, type, c); | |
3b2b8fea | 2291 | |
b926417a | 2292 | wchar_iterator iter (c_buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type)); |
3b2b8fea TT |
2293 | |
2294 | /* This holds the printable form of the wchar_t data. */ | |
8268c778 | 2295 | auto_obstack wchar_buf; |
3b2b8fea TT |
2296 | |
2297 | while (1) | |
2298 | { | |
2299 | int num_chars; | |
2300 | gdb_wchar_t *chars; | |
2301 | const gdb_byte *buf; | |
2302 | size_t buflen; | |
2303 | int print_escape = 1; | |
2304 | enum wchar_iterate_result result; | |
2305 | ||
cda6c55b | 2306 | num_chars = iter.iterate (&result, &chars, &buf, &buflen); |
3b2b8fea TT |
2307 | if (num_chars < 0) |
2308 | break; | |
2309 | if (num_chars > 0) | |
2310 | { | |
2311 | /* If all characters are printable, print them. Otherwise, | |
2312 | we're going to have to print an escape sequence. We | |
2313 | check all characters because we want to print the target | |
2314 | bytes in the escape sequence, and we don't know character | |
2315 | boundaries there. */ | |
2316 | int i; | |
2317 | ||
2318 | print_escape = 0; | |
2319 | for (i = 0; i < num_chars; ++i) | |
2320 | if (!wchar_printable (chars[i])) | |
2321 | { | |
2322 | print_escape = 1; | |
2323 | break; | |
2324 | } | |
2325 | ||
2326 | if (!print_escape) | |
2327 | { | |
2328 | for (i = 0; i < num_chars; ++i) | |
2329 | print_wchar (chars[i], buf, buflen, | |
2330 | TYPE_LENGTH (type), byte_order, | |
2331 | &wchar_buf, quoter, &need_escape); | |
2332 | } | |
2333 | } | |
2334 | ||
2335 | /* This handles the NUM_CHARS == 0 case as well. */ | |
2336 | if (print_escape) | |
2337 | print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), | |
2338 | byte_order, &wchar_buf, quoter, &need_escape); | |
2339 | } | |
2340 | ||
2341 | /* The output in the host encoding. */ | |
8268c778 | 2342 | auto_obstack output; |
3b2b8fea TT |
2343 | |
2344 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2345 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2346 | obstack_object_size (&wchar_buf), |
fff10684 | 2347 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2348 | obstack_1grow (&output, '\0'); |
2349 | ||
79f33898 | 2350 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2351 | } |
2352 | ||
0d63ecda KS |
2353 | /* Return the repeat count of the next character/byte in ITER, |
2354 | storing the result in VEC. */ | |
2355 | ||
2356 | static int | |
cda6c55b | 2357 | count_next_character (wchar_iterator *iter, |
b01ba14d | 2358 | std::vector<converted_character> *vec) |
0d63ecda KS |
2359 | { |
2360 | struct converted_character *current; | |
2361 | ||
b01ba14d | 2362 | if (vec->empty ()) |
0d63ecda KS |
2363 | { |
2364 | struct converted_character tmp; | |
2365 | gdb_wchar_t *chars; | |
2366 | ||
2367 | tmp.num_chars | |
cda6c55b | 2368 | = iter->iterate (&tmp.result, &chars, &tmp.buf, &tmp.buflen); |
0d63ecda KS |
2369 | if (tmp.num_chars > 0) |
2370 | { | |
2371 | gdb_assert (tmp.num_chars < MAX_WCHARS); | |
2372 | memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t)); | |
2373 | } | |
b01ba14d | 2374 | vec->push_back (tmp); |
0d63ecda KS |
2375 | } |
2376 | ||
b01ba14d | 2377 | current = &vec->back (); |
0d63ecda KS |
2378 | |
2379 | /* Count repeated characters or bytes. */ | |
2380 | current->repeat_count = 1; | |
2381 | if (current->num_chars == -1) | |
2382 | { | |
2383 | /* EOF */ | |
2384 | return -1; | |
2385 | } | |
2386 | else | |
2387 | { | |
2388 | gdb_wchar_t *chars; | |
2389 | struct converted_character d; | |
2390 | int repeat; | |
2391 | ||
2392 | d.repeat_count = 0; | |
2393 | ||
2394 | while (1) | |
2395 | { | |
2396 | /* Get the next character. */ | |
cda6c55b | 2397 | d.num_chars = iter->iterate (&d.result, &chars, &d.buf, &d.buflen); |
0d63ecda KS |
2398 | |
2399 | /* If a character was successfully converted, save the character | |
2400 | into the converted character. */ | |
2401 | if (d.num_chars > 0) | |
2402 | { | |
2403 | gdb_assert (d.num_chars < MAX_WCHARS); | |
2404 | memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars)); | |
2405 | } | |
2406 | ||
2407 | /* Determine if the current character is the same as this | |
2408 | new character. */ | |
2409 | if (d.num_chars == current->num_chars && d.result == current->result) | |
2410 | { | |
2411 | /* There are two cases to consider: | |
2412 | ||
2413 | 1) Equality of converted character (num_chars > 0) | |
2414 | 2) Equality of non-converted character (num_chars == 0) */ | |
2415 | if ((current->num_chars > 0 | |
2416 | && memcmp (current->chars, d.chars, | |
2417 | WCHAR_BUFLEN (current->num_chars)) == 0) | |
2418 | || (current->num_chars == 0 | |
2419 | && current->buflen == d.buflen | |
2420 | && memcmp (current->buf, d.buf, current->buflen) == 0)) | |
2421 | ++current->repeat_count; | |
2422 | else | |
2423 | break; | |
2424 | } | |
2425 | else | |
2426 | break; | |
2427 | } | |
2428 | ||
2429 | /* Push this next converted character onto the result vector. */ | |
2430 | repeat = current->repeat_count; | |
b01ba14d | 2431 | vec->push_back (d); |
0d63ecda KS |
2432 | return repeat; |
2433 | } | |
2434 | } | |
2435 | ||
2436 | /* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote | |
2437 | character to use with string output. WIDTH is the size of the output | |
6471e7d2 | 2438 | character type. BYTE_ORDER is the target byte order. OPTIONS |
0d63ecda KS |
2439 | is the user's print options. */ |
2440 | ||
2441 | static void | |
2442 | print_converted_chars_to_obstack (struct obstack *obstack, | |
b01ba14d | 2443 | const std::vector<converted_character> &chars, |
0d63ecda KS |
2444 | int quote_char, int width, |
2445 | enum bfd_endian byte_order, | |
2446 | const struct value_print_options *options) | |
2447 | { | |
2448 | unsigned int idx; | |
b01ba14d | 2449 | const converted_character *elem; |
0d63ecda KS |
2450 | enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last; |
2451 | gdb_wchar_t wide_quote_char = gdb_btowc (quote_char); | |
2452 | int need_escape = 0; | |
2453 | ||
2454 | /* Set the start state. */ | |
2455 | idx = 0; | |
2456 | last = state = START; | |
2457 | elem = NULL; | |
2458 | ||
2459 | while (1) | |
2460 | { | |
2461 | switch (state) | |
2462 | { | |
2463 | case START: | |
2464 | /* Nothing to do. */ | |
2465 | break; | |
2466 | ||
2467 | case SINGLE: | |
2468 | { | |
2469 | int j; | |
2470 | ||
2471 | /* We are outputting a single character | |
2472 | (< options->repeat_count_threshold). */ | |
2473 | ||
2474 | if (last != SINGLE) | |
2475 | { | |
2476 | /* We were outputting some other type of content, so we | |
2477 | must output and a comma and a quote. */ | |
2478 | if (last != START) | |
2479 | obstack_grow_wstr (obstack, LCST (", ")); | |
0d63ecda KS |
2480 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2481 | } | |
2482 | /* Output the character. */ | |
2483 | for (j = 0; j < elem->repeat_count; ++j) | |
2484 | { | |
2485 | if (elem->result == wchar_iterate_ok) | |
2486 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2487 | byte_order, obstack, quote_char, &need_escape); | |
2488 | else | |
2489 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2490 | byte_order, obstack, quote_char, &need_escape); | |
2491 | } | |
2492 | } | |
2493 | break; | |
2494 | ||
2495 | case REPEAT: | |
2496 | { | |
2497 | int j; | |
0d63ecda KS |
2498 | |
2499 | /* We are outputting a character with a repeat count | |
2500 | greater than options->repeat_count_threshold. */ | |
2501 | ||
2502 | if (last == SINGLE) | |
2503 | { | |
2504 | /* We were outputting a single string. Terminate the | |
2505 | string. */ | |
0d63ecda KS |
2506 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2507 | } | |
2508 | if (last != START) | |
2509 | obstack_grow_wstr (obstack, LCST (", ")); | |
2510 | ||
2511 | /* Output the character and repeat string. */ | |
2512 | obstack_grow_wstr (obstack, LCST ("'")); | |
2513 | if (elem->result == wchar_iterate_ok) | |
2514 | print_wchar (elem->chars[0], elem->buf, elem->buflen, width, | |
2515 | byte_order, obstack, quote_char, &need_escape); | |
2516 | else | |
2517 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, | |
2518 | byte_order, obstack, quote_char, &need_escape); | |
2519 | obstack_grow_wstr (obstack, LCST ("'")); | |
528e1572 SM |
2520 | std::string s = string_printf (_(" <repeats %u times>"), |
2521 | elem->repeat_count); | |
0d63ecda KS |
2522 | for (j = 0; s[j]; ++j) |
2523 | { | |
2524 | gdb_wchar_t w = gdb_btowc (s[j]); | |
2525 | obstack_grow (obstack, &w, sizeof (gdb_wchar_t)); | |
2526 | } | |
0d63ecda KS |
2527 | } |
2528 | break; | |
2529 | ||
2530 | case INCOMPLETE: | |
2531 | /* We are outputting an incomplete sequence. */ | |
2532 | if (last == SINGLE) | |
2533 | { | |
2534 | /* If we were outputting a string of SINGLE characters, | |
2535 | terminate the quote. */ | |
0d63ecda KS |
2536 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
2537 | } | |
2538 | if (last != START) | |
2539 | obstack_grow_wstr (obstack, LCST (", ")); | |
2540 | ||
2541 | /* Output the incomplete sequence string. */ | |
2542 | obstack_grow_wstr (obstack, LCST ("<incomplete sequence ")); | |
2543 | print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order, | |
2544 | obstack, 0, &need_escape); | |
2545 | obstack_grow_wstr (obstack, LCST (">")); | |
2546 | ||
85102364 | 2547 | /* We do not attempt to output anything after this. */ |
0d63ecda KS |
2548 | state = FINISH; |
2549 | break; | |
2550 | ||
2551 | case FINISH: | |
2552 | /* All done. If we were outputting a string of SINGLE | |
2553 | characters, the string must be terminated. Otherwise, | |
2554 | REPEAT and INCOMPLETE are always left properly terminated. */ | |
2555 | if (last == SINGLE) | |
e93a8774 | 2556 | obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t)); |
0d63ecda KS |
2557 | |
2558 | return; | |
2559 | } | |
2560 | ||
2561 | /* Get the next element and state. */ | |
2562 | last = state; | |
2563 | if (state != FINISH) | |
2564 | { | |
b01ba14d | 2565 | elem = &chars[idx++]; |
0d63ecda KS |
2566 | switch (elem->result) |
2567 | { | |
2568 | case wchar_iterate_ok: | |
2569 | case wchar_iterate_invalid: | |
2570 | if (elem->repeat_count > options->repeat_count_threshold) | |
2571 | state = REPEAT; | |
2572 | else | |
2573 | state = SINGLE; | |
2574 | break; | |
2575 | ||
2576 | case wchar_iterate_incomplete: | |
2577 | state = INCOMPLETE; | |
2578 | break; | |
2579 | ||
2580 | case wchar_iterate_eof: | |
2581 | state = FINISH; | |
2582 | break; | |
2583 | } | |
2584 | } | |
2585 | } | |
2586 | } | |
2587 | ||
3b2b8fea TT |
2588 | /* Print the character string STRING, printing at most LENGTH |
2589 | characters. LENGTH is -1 if the string is nul terminated. TYPE is | |
2590 | the type of each character. OPTIONS holds the printing options; | |
2591 | printing stops early if the number hits print_max; repeat counts | |
2592 | are printed as appropriate. Print ellipses at the end if we had to | |
2593 | stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
2594 | QUOTE_CHAR is the character to print at each end of the string. If | |
2595 | C_STYLE_TERMINATOR is true, and the last character is 0, then it is | |
2596 | omitted. */ | |
2597 | ||
2598 | void | |
2599 | generic_printstr (struct ui_file *stream, struct type *type, | |
2600 | const gdb_byte *string, unsigned int length, | |
2601 | const char *encoding, int force_ellipses, | |
2602 | int quote_char, int c_style_terminator, | |
2603 | const struct value_print_options *options) | |
2604 | { | |
34877895 | 2605 | enum bfd_endian byte_order = type_byte_order (type); |
3b2b8fea | 2606 | unsigned int i; |
3b2b8fea | 2607 | int width = TYPE_LENGTH (type); |
3b2b8fea | 2608 | int finished = 0; |
0d63ecda | 2609 | struct converted_character *last; |
3b2b8fea TT |
2610 | |
2611 | if (length == -1) | |
2612 | { | |
2613 | unsigned long current_char = 1; | |
2614 | ||
2615 | for (i = 0; current_char; ++i) | |
2616 | { | |
2617 | QUIT; | |
2618 | current_char = extract_unsigned_integer (string + i * width, | |
2619 | width, byte_order); | |
2620 | } | |
2621 | length = i; | |
2622 | } | |
2623 | ||
2624 | /* If the string was not truncated due to `set print elements', and | |
2625 | the last byte of it is a null, we don't print that, in | |
2626 | traditional C style. */ | |
2627 | if (c_style_terminator | |
2628 | && !force_ellipses | |
2629 | && length > 0 | |
2630 | && (extract_unsigned_integer (string + (length - 1) * width, | |
2631 | width, byte_order) == 0)) | |
2632 | length--; | |
2633 | ||
2634 | if (length == 0) | |
2635 | { | |
2636 | fputs_filtered ("\"\"", stream); | |
2637 | return; | |
2638 | } | |
2639 | ||
2640 | /* Arrange to iterate over the characters, in wchar_t form. */ | |
cda6c55b | 2641 | wchar_iterator iter (string, length * width, encoding, width); |
b01ba14d | 2642 | std::vector<converted_character> converted_chars; |
3b2b8fea | 2643 | |
0d63ecda KS |
2644 | /* Convert characters until the string is over or the maximum |
2645 | number of printed characters has been reached. */ | |
2646 | i = 0; | |
2647 | while (i < options->print_max) | |
3b2b8fea | 2648 | { |
0d63ecda | 2649 | int r; |
3b2b8fea TT |
2650 | |
2651 | QUIT; | |
2652 | ||
0d63ecda | 2653 | /* Grab the next character and repeat count. */ |
cda6c55b | 2654 | r = count_next_character (&iter, &converted_chars); |
3b2b8fea | 2655 | |
0d63ecda KS |
2656 | /* If less than zero, the end of the input string was reached. */ |
2657 | if (r < 0) | |
2658 | break; | |
3b2b8fea | 2659 | |
0d63ecda KS |
2660 | /* Otherwise, add the count to the total print count and get |
2661 | the next character. */ | |
2662 | i += r; | |
2663 | } | |
3b2b8fea | 2664 | |
0d63ecda KS |
2665 | /* Get the last element and determine if the entire string was |
2666 | processed. */ | |
b01ba14d | 2667 | last = &converted_chars.back (); |
0d63ecda | 2668 | finished = (last->result == wchar_iterate_eof); |
3b2b8fea | 2669 | |
0d63ecda KS |
2670 | /* Ensure that CONVERTED_CHARS is terminated. */ |
2671 | last->result = wchar_iterate_eof; | |
3b2b8fea | 2672 | |
0d63ecda KS |
2673 | /* WCHAR_BUF is the obstack we use to represent the string in |
2674 | wchar_t form. */ | |
8268c778 | 2675 | auto_obstack wchar_buf; |
3b2b8fea | 2676 | |
0d63ecda KS |
2677 | /* Print the output string to the obstack. */ |
2678 | print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char, | |
2679 | width, byte_order, options); | |
3b2b8fea TT |
2680 | |
2681 | if (force_ellipses || !finished) | |
2682 | obstack_grow_wstr (&wchar_buf, LCST ("...")); | |
2683 | ||
2684 | /* OUTPUT is where we collect `char's for printing. */ | |
8268c778 | 2685 | auto_obstack output; |
3b2b8fea TT |
2686 | |
2687 | convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (), | |
ac91cd70 | 2688 | (gdb_byte *) obstack_base (&wchar_buf), |
3b2b8fea | 2689 | obstack_object_size (&wchar_buf), |
fff10684 | 2690 | sizeof (gdb_wchar_t), &output, translit_char); |
3b2b8fea TT |
2691 | obstack_1grow (&output, '\0'); |
2692 | ||
79f33898 | 2693 | fputs_filtered ((const char *) obstack_base (&output), stream); |
3b2b8fea TT |
2694 | } |
2695 | ||
ae6a3a4c TJB |
2696 | /* Print a string from the inferior, starting at ADDR and printing up to LEN |
2697 | characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing | |
2698 | stops at the first null byte, otherwise printing proceeds (including null | |
2699 | bytes) until either print_max or LEN characters have been printed, | |
09ca9e2e TT |
2700 | whichever is smaller. ENCODING is the name of the string's |
2701 | encoding. It can be NULL, in which case the target encoding is | |
2702 | assumed. */ | |
ae6a3a4c TJB |
2703 | |
2704 | int | |
09ca9e2e TT |
2705 | val_print_string (struct type *elttype, const char *encoding, |
2706 | CORE_ADDR addr, int len, | |
6c7a06a3 | 2707 | struct ui_file *stream, |
ae6a3a4c TJB |
2708 | const struct value_print_options *options) |
2709 | { | |
2710 | int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */ | |
d09f2c3f | 2711 | int err; /* Non-zero if we got a bad read. */ |
581e13c1 | 2712 | int found_nul; /* Non-zero if we found the nul char. */ |
ae6a3a4c TJB |
2713 | unsigned int fetchlimit; /* Maximum number of chars to print. */ |
2714 | int bytes_read; | |
b4be9fad | 2715 | gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */ |
8ee511af | 2716 | struct gdbarch *gdbarch = elttype->arch (); |
34877895 | 2717 | enum bfd_endian byte_order = type_byte_order (elttype); |
6c7a06a3 | 2718 | int width = TYPE_LENGTH (elttype); |
ae6a3a4c TJB |
2719 | |
2720 | /* First we need to figure out the limit on the number of characters we are | |
2721 | going to attempt to fetch and print. This is actually pretty simple. If | |
2722 | LEN >= zero, then the limit is the minimum of LEN and print_max. If | |
2723 | LEN is -1, then the limit is print_max. This is true regardless of | |
2724 | whether print_max is zero, UINT_MAX (unlimited), or something in between, | |
2725 | because finding the null byte (or available memory) is what actually | |
2726 | limits the fetch. */ | |
2727 | ||
325fac50 PA |
2728 | fetchlimit = (len == -1 ? options->print_max : std::min ((unsigned) len, |
2729 | options->print_max)); | |
ae6a3a4c | 2730 | |
d09f2c3f PA |
2731 | err = read_string (addr, len, width, fetchlimit, byte_order, |
2732 | &buffer, &bytes_read); | |
ae6a3a4c TJB |
2733 | |
2734 | addr += bytes_read; | |
c906108c | 2735 | |
3e43a32a MS |
2736 | /* We now have either successfully filled the buffer to fetchlimit, |
2737 | or terminated early due to an error or finding a null char when | |
2738 | LEN is -1. */ | |
ae6a3a4c TJB |
2739 | |
2740 | /* Determine found_nul by looking at the last character read. */ | |
6694c411 JK |
2741 | found_nul = 0; |
2742 | if (bytes_read >= width) | |
b4be9fad TT |
2743 | found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width, |
2744 | width, byte_order) == 0; | |
c906108c SS |
2745 | if (len == -1 && !found_nul) |
2746 | { | |
777ea8f1 | 2747 | gdb_byte *peekbuf; |
c906108c | 2748 | |
ae6a3a4c | 2749 | /* We didn't find a NUL terminator we were looking for. Attempt |
dda83cd7 SM |
2750 | to peek at the next character. If not successful, or it is not |
2751 | a null byte, then force ellipsis to be printed. */ | |
c906108c | 2752 | |
777ea8f1 | 2753 | peekbuf = (gdb_byte *) alloca (width); |
c906108c SS |
2754 | |
2755 | if (target_read_memory (addr, peekbuf, width) == 0 | |
e17a4113 | 2756 | && extract_unsigned_integer (peekbuf, width, byte_order) != 0) |
c906108c SS |
2757 | force_ellipsis = 1; |
2758 | } | |
d09f2c3f | 2759 | else if ((len >= 0 && err != 0) || (len > bytes_read / width)) |
c906108c SS |
2760 | { |
2761 | /* Getting an error when we have a requested length, or fetching less | |
dda83cd7 SM |
2762 | than the number of characters actually requested, always make us |
2763 | print ellipsis. */ | |
c906108c SS |
2764 | force_ellipsis = 1; |
2765 | } | |
2766 | ||
c906108c SS |
2767 | /* If we get an error before fetching anything, don't print a string. |
2768 | But if we fetch something and then get an error, print the string | |
2769 | and then the error message. */ | |
d09f2c3f | 2770 | if (err == 0 || bytes_read > 0) |
c906108c | 2771 | { |
b4be9fad | 2772 | LA_PRINT_STRING (stream, elttype, buffer.get (), bytes_read / width, |
3a772aa4 | 2773 | encoding, force_ellipsis, options); |
c906108c SS |
2774 | } |
2775 | ||
d09f2c3f | 2776 | if (err != 0) |
c906108c | 2777 | { |
1ccbe998 | 2778 | std::string str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr); |
578d3588 | 2779 | |
2dbc041e TT |
2780 | fprintf_filtered (stream, _("<error: %ps>"), |
2781 | styled_string (metadata_style.style (), | |
2782 | str.c_str ())); | |
c906108c | 2783 | } |
ae6a3a4c | 2784 | |
ae6a3a4c | 2785 | return (bytes_read / width); |
c906108c | 2786 | } |
2e62ab40 AB |
2787 | |
2788 | /* Handle 'show print max-depth'. */ | |
2789 | ||
2790 | static void | |
2791 | show_print_max_depth (struct ui_file *file, int from_tty, | |
2792 | struct cmd_list_element *c, const char *value) | |
2793 | { | |
2794 | fprintf_filtered (file, _("Maximum print depth is %s.\n"), value); | |
2795 | } | |
c906108c | 2796 | \f |
c5aa993b | 2797 | |
09e6485f PA |
2798 | /* The 'set input-radix' command writes to this auxiliary variable. |
2799 | If the requested radix is valid, INPUT_RADIX is updated; otherwise, | |
2800 | it is left unchanged. */ | |
2801 | ||
2802 | static unsigned input_radix_1 = 10; | |
2803 | ||
c906108c SS |
2804 | /* Validate an input or output radix setting, and make sure the user |
2805 | knows what they really did here. Radix setting is confusing, e.g. | |
2806 | setting the input radix to "10" never changes it! */ | |
2807 | ||
c906108c | 2808 | static void |
eb4c3f4a | 2809 | set_input_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2810 | { |
09e6485f | 2811 | set_input_radix_1 (from_tty, input_radix_1); |
c906108c SS |
2812 | } |
2813 | ||
c906108c | 2814 | static void |
fba45db2 | 2815 | set_input_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2816 | { |
2817 | /* We don't currently disallow any input radix except 0 or 1, which don't | |
2818 | make any mathematical sense. In theory, we can deal with any input | |
2819 | radix greater than 1, even if we don't have unique digits for every | |
2820 | value from 0 to radix-1, but in practice we lose on large radix values. | |
2821 | We should either fix the lossage or restrict the radix range more. | |
581e13c1 | 2822 | (FIXME). */ |
c906108c SS |
2823 | |
2824 | if (radix < 2) | |
2825 | { | |
09e6485f | 2826 | input_radix_1 = input_radix; |
8a3fe4f8 | 2827 | error (_("Nonsense input radix ``decimal %u''; input radix unchanged."), |
c906108c SS |
2828 | radix); |
2829 | } | |
09e6485f | 2830 | input_radix_1 = input_radix = radix; |
c906108c SS |
2831 | if (from_tty) |
2832 | { | |
3e43a32a MS |
2833 | printf_filtered (_("Input radix now set to " |
2834 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2835 | radix, radix, radix); |
2836 | } | |
2837 | } | |
2838 | ||
09e6485f PA |
2839 | /* The 'set output-radix' command writes to this auxiliary variable. |
2840 | If the requested radix is valid, OUTPUT_RADIX is updated, | |
2841 | otherwise, it is left unchanged. */ | |
2842 | ||
2843 | static unsigned output_radix_1 = 10; | |
2844 | ||
c906108c | 2845 | static void |
eb4c3f4a | 2846 | set_output_radix (const char *args, int from_tty, struct cmd_list_element *c) |
c906108c | 2847 | { |
09e6485f | 2848 | set_output_radix_1 (from_tty, output_radix_1); |
c906108c SS |
2849 | } |
2850 | ||
2851 | static void | |
fba45db2 | 2852 | set_output_radix_1 (int from_tty, unsigned radix) |
c906108c SS |
2853 | { |
2854 | /* Validate the radix and disallow ones that we aren't prepared to | |
581e13c1 | 2855 | handle correctly, leaving the radix unchanged. */ |
c906108c SS |
2856 | switch (radix) |
2857 | { | |
2858 | case 16: | |
79a45b7d | 2859 | user_print_options.output_format = 'x'; /* hex */ |
c906108c SS |
2860 | break; |
2861 | case 10: | |
79a45b7d | 2862 | user_print_options.output_format = 0; /* decimal */ |
c906108c SS |
2863 | break; |
2864 | case 8: | |
79a45b7d | 2865 | user_print_options.output_format = 'o'; /* octal */ |
c906108c SS |
2866 | break; |
2867 | default: | |
09e6485f | 2868 | output_radix_1 = output_radix; |
3e43a32a MS |
2869 | error (_("Unsupported output radix ``decimal %u''; " |
2870 | "output radix unchanged."), | |
c906108c SS |
2871 | radix); |
2872 | } | |
09e6485f | 2873 | output_radix_1 = output_radix = radix; |
c906108c SS |
2874 | if (from_tty) |
2875 | { | |
3e43a32a MS |
2876 | printf_filtered (_("Output radix now set to " |
2877 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2878 | radix, radix, radix); |
2879 | } | |
2880 | } | |
2881 | ||
2882 | /* Set both the input and output radix at once. Try to set the output radix | |
2883 | first, since it has the most restrictive range. An radix that is valid as | |
2884 | an output radix is also valid as an input radix. | |
2885 | ||
2886 | It may be useful to have an unusual input radix. If the user wishes to | |
2887 | set an input radix that is not valid as an output radix, he needs to use | |
581e13c1 | 2888 | the 'set input-radix' command. */ |
c906108c SS |
2889 | |
2890 | static void | |
b0a8e6c4 | 2891 | set_radix (const char *arg, int from_tty) |
c906108c SS |
2892 | { |
2893 | unsigned radix; | |
2894 | ||
bb518678 | 2895 | radix = (arg == NULL) ? 10 : parse_and_eval_long (arg); |
c906108c SS |
2896 | set_output_radix_1 (0, radix); |
2897 | set_input_radix_1 (0, radix); | |
2898 | if (from_tty) | |
2899 | { | |
3e43a32a MS |
2900 | printf_filtered (_("Input and output radices now set to " |
2901 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2902 | radix, radix, radix); |
2903 | } | |
2904 | } | |
2905 | ||
581e13c1 | 2906 | /* Show both the input and output radices. */ |
c906108c | 2907 | |
c906108c | 2908 | static void |
b0a8e6c4 | 2909 | show_radix (const char *arg, int from_tty) |
c906108c SS |
2910 | { |
2911 | if (from_tty) | |
2912 | { | |
2913 | if (input_radix == output_radix) | |
2914 | { | |
3e43a32a MS |
2915 | printf_filtered (_("Input and output radices set to " |
2916 | "decimal %u, hex %x, octal %o.\n"), | |
c906108c SS |
2917 | input_radix, input_radix, input_radix); |
2918 | } | |
2919 | else | |
2920 | { | |
3e43a32a MS |
2921 | printf_filtered (_("Input radix set to decimal " |
2922 | "%u, hex %x, octal %o.\n"), | |
c906108c | 2923 | input_radix, input_radix, input_radix); |
3e43a32a MS |
2924 | printf_filtered (_("Output radix set to decimal " |
2925 | "%u, hex %x, octal %o.\n"), | |
c906108c SS |
2926 | output_radix, output_radix, output_radix); |
2927 | } | |
2928 | } | |
2929 | } | |
c906108c | 2930 | \f |
c5aa993b | 2931 | |
7d8062de PA |
2932 | /* Controls printing of vtbl's. */ |
2933 | static void | |
2934 | show_vtblprint (struct ui_file *file, int from_tty, | |
2935 | struct cmd_list_element *c, const char *value) | |
2936 | { | |
2937 | fprintf_filtered (file, _("\ | |
2938 | Printing of C++ virtual function tables is %s.\n"), | |
2939 | value); | |
2940 | } | |
2941 | ||
2942 | /* Controls looking up an object's derived type using what we find in | |
2943 | its vtables. */ | |
2944 | static void | |
2945 | show_objectprint (struct ui_file *file, int from_tty, | |
2946 | struct cmd_list_element *c, | |
2947 | const char *value) | |
2948 | { | |
2949 | fprintf_filtered (file, _("\ | |
2950 | Printing of object's derived type based on vtable info is %s.\n"), | |
2951 | value); | |
2952 | } | |
2953 | ||
2954 | static void | |
2955 | show_static_field_print (struct ui_file *file, int from_tty, | |
2956 | struct cmd_list_element *c, | |
2957 | const char *value) | |
2958 | { | |
2959 | fprintf_filtered (file, | |
2960 | _("Printing of C++ static members is %s.\n"), | |
2961 | value); | |
2962 | } | |
2963 | ||
c906108c | 2964 | \f |
7d8062de PA |
2965 | |
2966 | /* A couple typedefs to make writing the options a bit more | |
2967 | convenient. */ | |
2968 | using boolean_option_def | |
2969 | = gdb::option::boolean_option_def<value_print_options>; | |
2970 | using uinteger_option_def | |
2971 | = gdb::option::uinteger_option_def<value_print_options>; | |
2972 | using zuinteger_unlimited_option_def | |
2973 | = gdb::option::zuinteger_unlimited_option_def<value_print_options>; | |
2974 | ||
85102364 | 2975 | /* Definitions of options for the "print" and "compile print" |
7d8062de PA |
2976 | commands. */ |
2977 | static const gdb::option::option_def value_print_option_defs[] = { | |
2978 | ||
2979 | boolean_option_def { | |
2980 | "address", | |
2981 | [] (value_print_options *opt) { return &opt->addressprint; }, | |
2982 | show_addressprint, /* show_cmd_cb */ | |
2983 | N_("Set printing of addresses."), | |
2984 | N_("Show printing of addresses."), | |
2985 | NULL, /* help_doc */ | |
2986 | }, | |
2987 | ||
2988 | boolean_option_def { | |
2989 | "array", | |
2990 | [] (value_print_options *opt) { return &opt->prettyformat_arrays; }, | |
2991 | show_prettyformat_arrays, /* show_cmd_cb */ | |
2992 | N_("Set pretty formatting of arrays."), | |
2993 | N_("Show pretty formatting of arrays."), | |
2994 | NULL, /* help_doc */ | |
2995 | }, | |
2996 | ||
2997 | boolean_option_def { | |
2998 | "array-indexes", | |
2999 | [] (value_print_options *opt) { return &opt->print_array_indexes; }, | |
3000 | show_print_array_indexes, /* show_cmd_cb */ | |
3001 | N_("Set printing of array indexes."), | |
590042fc | 3002 | N_("Show printing of array indexes."), |
7d8062de PA |
3003 | NULL, /* help_doc */ |
3004 | }, | |
3005 | ||
3006 | uinteger_option_def { | |
3007 | "elements", | |
3008 | [] (value_print_options *opt) { return &opt->print_max; }, | |
3009 | show_print_max, /* show_cmd_cb */ | |
3010 | N_("Set limit on string chars or array elements to print."), | |
3011 | N_("Show limit on string chars or array elements to print."), | |
3012 | N_("\"unlimited\" causes there to be no limit."), | |
3013 | }, | |
3014 | ||
3015 | zuinteger_unlimited_option_def { | |
3016 | "max-depth", | |
3017 | [] (value_print_options *opt) { return &opt->max_depth; }, | |
3018 | show_print_max_depth, /* show_cmd_cb */ | |
3019 | N_("Set maximum print depth for nested structures, unions and arrays."), | |
3020 | N_("Show maximum print depth for nested structures, unions, and arrays."), | |
3021 | N_("When structures, unions, or arrays are nested beyond this depth then they\n\ | |
3022 | will be replaced with either '{...}' or '(...)' depending on the language.\n\ | |
3023 | Use \"unlimited\" to print the complete structure.") | |
3024 | }, | |
3025 | ||
3026 | boolean_option_def { | |
3027 | "null-stop", | |
3028 | [] (value_print_options *opt) { return &opt->stop_print_at_null; }, | |
3029 | show_stop_print_at_null, /* show_cmd_cb */ | |
3030 | N_("Set printing of char arrays to stop at first null char."), | |
3031 | N_("Show printing of char arrays to stop at first null char."), | |
3032 | NULL, /* help_doc */ | |
3033 | }, | |
3034 | ||
3035 | boolean_option_def { | |
3036 | "object", | |
3037 | [] (value_print_options *opt) { return &opt->objectprint; }, | |
3038 | show_objectprint, /* show_cmd_cb */ | |
3039 | _("Set printing of C++ virtual function tables."), | |
3040 | _("Show printing of C++ virtual function tables."), | |
3041 | NULL, /* help_doc */ | |
3042 | }, | |
3043 | ||
3044 | boolean_option_def { | |
3045 | "pretty", | |
3046 | [] (value_print_options *opt) { return &opt->prettyformat_structs; }, | |
3047 | show_prettyformat_structs, /* show_cmd_cb */ | |
3048 | N_("Set pretty formatting of structures."), | |
3049 | N_("Show pretty formatting of structures."), | |
3050 | NULL, /* help_doc */ | |
3051 | }, | |
3052 | ||
d8edc8b7 PW |
3053 | boolean_option_def { |
3054 | "raw-values", | |
3055 | [] (value_print_options *opt) { return &opt->raw; }, | |
3056 | NULL, /* show_cmd_cb */ | |
3057 | N_("Set whether to print values in raw form."), | |
3058 | N_("Show whether to print values in raw form."), | |
3059 | N_("If set, values are printed in raw form, bypassing any\n\ | |
3060 | pretty-printers for that value.") | |
3061 | }, | |
3062 | ||
7d8062de PA |
3063 | uinteger_option_def { |
3064 | "repeats", | |
3065 | [] (value_print_options *opt) { return &opt->repeat_count_threshold; }, | |
3066 | show_repeat_count_threshold, /* show_cmd_cb */ | |
3067 | N_("Set threshold for repeated print elements."), | |
3068 | N_("Show threshold for repeated print elements."), | |
3069 | N_("\"unlimited\" causes all elements to be individually printed."), | |
3070 | }, | |
3071 | ||
3072 | boolean_option_def { | |
3073 | "static-members", | |
3074 | [] (value_print_options *opt) { return &opt->static_field_print; }, | |
3075 | show_static_field_print, /* show_cmd_cb */ | |
3076 | N_("Set printing of C++ static members."), | |
3077 | N_("Show printing of C++ static members."), | |
3078 | NULL, /* help_doc */ | |
3079 | }, | |
3080 | ||
3081 | boolean_option_def { | |
3082 | "symbol", | |
3083 | [] (value_print_options *opt) { return &opt->symbol_print; }, | |
3084 | show_symbol_print, /* show_cmd_cb */ | |
3085 | N_("Set printing of symbol names when printing pointers."), | |
3086 | N_("Show printing of symbol names when printing pointers."), | |
3087 | NULL, /* help_doc */ | |
3088 | }, | |
3089 | ||
3090 | boolean_option_def { | |
3091 | "union", | |
3092 | [] (value_print_options *opt) { return &opt->unionprint; }, | |
3093 | show_unionprint, /* show_cmd_cb */ | |
3094 | N_("Set printing of unions interior to structures."), | |
3095 | N_("Show printing of unions interior to structures."), | |
3096 | NULL, /* help_doc */ | |
3097 | }, | |
3098 | ||
3099 | boolean_option_def { | |
3100 | "vtbl", | |
3101 | [] (value_print_options *opt) { return &opt->vtblprint; }, | |
3102 | show_vtblprint, /* show_cmd_cb */ | |
3103 | N_("Set printing of C++ virtual function tables."), | |
3104 | N_("Show printing of C++ virtual function tables."), | |
3105 | NULL, /* help_doc */ | |
3106 | }, | |
3107 | }; | |
3108 | ||
3109 | /* See valprint.h. */ | |
3110 | ||
3111 | gdb::option::option_def_group | |
3112 | make_value_print_options_def_group (value_print_options *opts) | |
3113 | { | |
3114 | return {{value_print_option_defs}, opts}; | |
3115 | } | |
3116 | ||
6c265988 | 3117 | void _initialize_valprint (); |
c906108c | 3118 | void |
6c265988 | 3119 | _initialize_valprint () |
c906108c | 3120 | { |
2daf894e PA |
3121 | cmd_list_element *cmd; |
3122 | ||
0743fc83 TT |
3123 | add_basic_prefix_cmd ("print", no_class, |
3124 | _("Generic command for setting how things print."), | |
3125 | &setprintlist, "set print ", 0, &setlist); | |
c5aa993b | 3126 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
581e13c1 | 3127 | /* Prefer set print to set prompt. */ |
c906108c SS |
3128 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); |
3129 | ||
0743fc83 TT |
3130 | add_show_prefix_cmd ("print", no_class, |
3131 | _("Generic command for showing print settings."), | |
3132 | &showprintlist, "show print ", 0, &showlist); | |
c5aa993b JM |
3133 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
3134 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); | |
c906108c | 3135 | |
0743fc83 TT |
3136 | cmd = add_basic_prefix_cmd ("raw", no_class, |
3137 | _("\ | |
e7045703 | 3138 | Generic command for setting what things to print in \"raw\" mode."), |
0743fc83 TT |
3139 | &setprintrawlist, "set print raw ", 0, |
3140 | &setprintlist); | |
2daf894e PA |
3141 | deprecate_cmd (cmd, nullptr); |
3142 | ||
0743fc83 TT |
3143 | cmd = add_show_prefix_cmd ("raw", no_class, |
3144 | _("Generic command for showing \"print raw\" settings."), | |
3145 | &showprintrawlist, "show print raw ", 0, | |
3146 | &showprintlist); | |
2daf894e | 3147 | deprecate_cmd (cmd, nullptr); |
e7045703 | 3148 | |
7d8062de PA |
3149 | gdb::option::add_setshow_cmds_for_options |
3150 | (class_support, &user_print_options, value_print_option_defs, | |
3151 | &setprintlist, &showprintlist); | |
9cb709b6 | 3152 | |
1e8fb976 PA |
3153 | add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1, |
3154 | _("\ | |
35096d9d AC |
3155 | Set default input radix for entering numbers."), _("\ |
3156 | Show default input radix for entering numbers."), NULL, | |
1e8fb976 PA |
3157 | set_input_radix, |
3158 | show_input_radix, | |
3159 | &setlist, &showlist); | |
35096d9d | 3160 | |
1e8fb976 PA |
3161 | add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1, |
3162 | _("\ | |
35096d9d AC |
3163 | Set default output radix for printing of values."), _("\ |
3164 | Show default output radix for printing of values."), NULL, | |
1e8fb976 PA |
3165 | set_output_radix, |
3166 | show_output_radix, | |
3167 | &setlist, &showlist); | |
c906108c | 3168 | |
cb1a6d5f AC |
3169 | /* The "set radix" and "show radix" commands are special in that |
3170 | they are like normal set and show commands but allow two normally | |
3171 | independent variables to be either set or shown with a single | |
b66df561 | 3172 | command. So the usual deprecated_add_set_cmd() and [deleted] |
581e13c1 | 3173 | add_show_from_set() commands aren't really appropriate. */ |
b66df561 AC |
3174 | /* FIXME: i18n: With the new add_setshow_integer command, that is no |
3175 | longer true - show can display anything. */ | |
1a966eab AC |
3176 | add_cmd ("radix", class_support, set_radix, _("\ |
3177 | Set default input and output number radices.\n\ | |
c906108c | 3178 | Use 'set input-radix' or 'set output-radix' to independently set each.\n\ |
1a966eab | 3179 | Without an argument, sets both radices back to the default value of 10."), |
c906108c | 3180 | &setlist); |
1a966eab AC |
3181 | add_cmd ("radix", class_support, show_radix, _("\ |
3182 | Show the default input and output number radices.\n\ | |
3183 | Use 'show input-radix' or 'show output-radix' to independently show each."), | |
c906108c | 3184 | &showlist); |
c906108c | 3185 | } |